M1918 Browning Automatic Rifle
|Rifle, Caliber .30, Automatic, Browning, M1918|
The M1918A2 BAR
Squad Automatic Weapon
|Place of origin||United States|
|In service||1918–early 1970s (U.S.)|
|Used by||See Users|
|Wars||World War I
World War II
Second Sino-Japanese War
Chinese Civil War
Indonesian National Revolution
Palestinian Civil War
First Indochina War
Bay of Pigs Invasion
Laotian Civil War
Cambodian Civil War
Lebanese Civil War
Turkish invasion of Cyprus
Thai–Laotian Border War
|Manufacturer||Colt's Patent Firearms Manufacturing Company
Winchester Repeating Arms Company
New England Small Arms
Royal McBee Typewriter Company
International Business Machines
Carl Gustafs Stads Gevärsfaktori
Państwowa Fabryka Karabinów
125 Monitor Machine Rifle
(Cost per unit $319)
|Weight||7.25 kg (15.98 lb) (M1918)
Approx. 11 kg (24 lb) (M1922)
6.0 kg (13.2 lb) (Colt Monitor)
8.4 kg (19 lb) (M1918A1)
8.8 kg (19 lb) (M1918A2)
9.0 kg (19.8 lb) (wz. 1928)
|Length||1,194 mm (47.0 in) (M1918, M1922, M1918A1)
1,215 mm (47.8 in) (M1918A2)
1,110 mm (43.7 in) (wz. 1928)
|Barrel length||610 mm (24.0 in) (M1918, M1922, M1918A1, M1918A2)
611 mm (24.1 in) (wz. 1928)
458 mm (18.0 in) (Colt Monitor
|Cartridge||.30-06 Springfield (7.62×63mm)/.303 British (7.7×56mmR)/7.92×57mm Mauser
(M1918, M1922, M1918A1, M1918A2)
7.92×57mm Mauser (wz. 1928)
6.5×55mm (Kg m/21, m/37)
|Action||Gas-operated, rising bolt lock|
|Rate of fire||500–650 rounds/min (M1918, M1922, M1918A1)
500 rounds/min (Colt Monitor)
300-450 or 500-650 rounds/min (M1918A2)
600 rounds/min (wz. 1928)
|Muzzle velocity||860 m/s (2,822 ft/s) (M1918, M1922, M1918A1, M1918A2)
853 m/s (2,798.6 ft/s) (wz. 1928)
|Effective firing range||100–1,500 yards (91–1,372 m) sight adjustments (maximum effective range)|
|Maximum firing range||Approx. 4,500–5,000 yards (4,100–4,600 m)|
|Feed system||20-round detachable box magazine|
|Sights||Rear leaf, front post
784 mm (30.9 in) sight radius (M1918, M1922, M1918A1)
782 mm (30.8 in) (M1918A2)
742 mm (29.2 in) (wz. 1928)
The Browning Automatic Rifle (BAR) is a family of American automatic rifles and machine guns used by the United States and numerous other countries during the 20th century. The primary variant of the BAR series was the M1918, chambered for the .30-06 Springfield rifle cartridge and designed by John Browning in 1917 for the U.S. Expeditionary Corps in Europe as a replacement for the French-made Chauchat and M1909 Benét–Mercié machine guns that US forces had previously been issued.
The BAR was designed to be carried by infantrymen during an assault advance while supported by the sling over the shoulder, or to be fired from the hip. This is a concept called "walking fire" — thought to be necessary for the individual soldier during trench warfare. The BAR never entirely lived up to the original hopes of the war department as either a rifle or a machine gun.
The U.S. Army, in practice, used the BAR as a light machine gun, often fired from a bipod (introduced on models after 1938). A variant of the original M1918 BAR, the Colt Monitor Machine Rifle, remains the lightest production automatic gun to fire the .30-06 Springfield cartridge, though the limited capacity of its standard 20-round magazine tended to hamper its utility in that role.
Although the weapon did see some action in World War I, the BAR did not become standard issue in the US Army until 1938, when it was issued to squads as a portable light machine gun. The BAR saw extensive service in both World War II and the Korean War and saw limited service in the Vietnam War. The US Army began phasing out the BAR in the late 1950s, when it was intended to be replaced by a squad automatic weapon (SAW) variant of the M14, and was without a portable light machine gun until the introduction of the M60 machine gun in 1957. The M60, however, was really a general-purpose machine gun (GPMG) and was used as a SAW only because the army had no other tool for the job until the M249 Squad Automatic Weapon in the mid-1980s.
- 1 History
- 2 Design details and accessories
- 3 Variants and subsequent models
- 4 Civilian use
- 5 Criminal and law enforcement use
- 6 In US military service
- 7 Users
- 8 See also
- 9 Notes
- 10 References
- 11 External links
The US entered World War I with an inadequate, small, and obsolete assortment of domestic and foreign machine gun designs, due primarily to bureaucratic indecision and the lack of an established military doctrine for their employment. When the 1917 United States declaration of war on Germany was announced on 6 April 1917, the high command was made aware that to fight this trench war, dominated by machine-guns, they had on hand a mere 670 M1909 Benét–Merciés, 282 M1904 Maxims and 158 Colts, M1895s. After much debate, it was finally agreed that a rapid rearmament with domestic weapons would be required, but until that time, US troops would be issued whatever the French and British had to offer. The arms donated by the French were often second-rate or surplus and chambered in 8mm Lebel, further complicating logistics as machine gunners and infantrymen were issued different types of ammunition.
In 1917, prior to America's entry to the war, John Browning personally brought to Washington, D.C. two types of automatic weapons for the purposes of demonstration: a water-cooled machine gun (later adopted as the M1917 Browning machine gun) and a shoulder-fired automatic rifle known then as the Browning Machine Rifle or BMR, both chambered for the standard US .30-06 Springfield cartridge. Browning had arranged for a public demonstration of both weapons at a location in southern Washington, D.C. known as Congress Heights. There, on 27 February 1917, in front of a crowd of 300 people (including high-ranking military officials, congressmen, senators, foreign dignitaries and the press), Browning staged a live-fire demonstration which so impressed the gathered crowd, that he was immediately awarded a contract for the weapon and it was hastily adopted into service (the water-cooled machine gun underwent further testing).
Additional tests were conducted for US Army Ordnance officials at Springfield Armory in May 1917, and both weapons were unanimously recommended for immediate adoption. In order to avoid confusion with the belt-fed M1917 machine gun, the BAR came to be known as the M1918 or Rifle, Caliber .30, Automatic, Browning, M1918 according to official nomenclature. On 16 July 1917, 12,000 BARs were ordered from Colt's Patent Firearms Manufacturing Company, which had secured an exclusive concession to manufacture the BAR under Browning's patents (Browning's U.S. Patent 1,293,022 was owned by Colt). However Colt was already producing at peak capacity (contracted to manufacture the Vickers machine gun for the British Army) and requested a delay in production while they expanded their manufacturing output with a new facility in Meriden, Connecticut. Due to the urgent need for the weapon, the request was denied and the Winchester Repeating Arms Company (WRAC) was designated as the prime contractor. Winchester gave valuable assistance in refining the BAR's final design, correcting the drawings in preparation for mass production. Among the changes made, the ejection pattern was modified (spent casings were directed to the right side of the weapon instead of straight up).
Initial M1918 production
Since work on the gun did not begin until February 1918, so hurried was the schedule at Winchester to bring the BAR into full production that the first production batch of 1,800 guns was delivered out of spec; it was discovered that many components did not interchange between rifles, and production was temporarily halted until manufacturing procedures were upgraded to bring the weapon up to specifications. The initial contract with Winchester called for 25,000 BARs. They were in full production by June 1918, delivering 4,000 guns, and from July were turning out 9,000 units per month.
Colt and Marlin-Rockwell Corp. also began production shortly after Winchester got into full production. Marlin-Rockwell, burdened by a contract to make rifles for the Belgian government, acquired the Mayo Radiator Co.'s factory and used it exclusively to carry out production of the BAR. The first unit from this source was delivered on 11 June 1918 and the company's peak output reached 200 automatic rifles per day. Colt had produced only 9,000 BARs by the time of the armistice due to the heavy demands of previous orders. These three companies produced a combined daily output of 706 rifles and a total of approximately 52,000 BARs were delivered by all sources by the end of the war. Between 1918 and 1919, 102,174 BARs had been manufactured jointly by Colt, Winchester, and Marlin-Rockwell.
By July 1918, the BAR had begun to arrive in France, and the first unit to receive them was the US Army's 79th Infantry Division, which took them into action for the first time on 13 September 1918. The weapon was personally demonstrated against the enemy by Second Lieutenant Val Allen Browning, the inventor's son. Despite being introduced very late in the war, the BAR made an impact disproportionate to its numbers; it was used extensively during the Meuse-Argonne Offensive and made a significant impression on the Allies (France alone requested 15,000 automatic rifles to replace their notoriously unreliable Chauchat machine rifles).
United States Marines briefly took possession of the BAR. Marines from the First Battalion of the Sixth Marines had talked the "doggies" of the United States 36th Division into trading their Browning Automatic Rifles for their Chauchats. But complaints from officers of the 36th resulted in the issuance of a command from Marine Lt Col Harry Lee on 9 October 1918: All Browning guns and equipment in Marine possession were to be turned in.
Design details and accessories
The M1918 is a selective fire, air-cooled automatic rifle using a gas-operated long-stroke piston rod actuated by propellant gases bled through a vent in the barrel. The bolt is locked by a rising bolt lock. The gun fires from an open bolt. The spring-powered cartridge casing extractor is contained in the bolt and a fixed ejector is installed in the trigger group. The BAR is striker fired (the bolt carrier serves as the striker) and uses a trigger mechanism with a fire selector lever that enables operating in either semi-automatic or fully automatic firing modes. The selector lever is located on the left side of the receiver and is simultaneously the manual safety (selector lever in the "S" position – weapon is safe, "F" – fire, "A" – automatic fire). The "safe" setting blocks the trigger.
The weapon's barrel is screwed into the receiver and is not quickly detachable. The M1918 feeds using double-column 20-round box magazines, although 40-round magazines were also used in an anti-aircraft role; these were withdrawn from use in 1927. The M1918 has a cylindrical flash suppressor fitted to the muzzle end. The original BAR was equipped with a fixed wooden buttstock and closed-type adjustable iron sights, consisting of a forward post and a rear leaf sight with 100 to 1,500 yard (91 - 1,372 m) range graduations.
As a heavy automatic rifle designed for support fire, the M1918 was not fitted with a bayonet mount and no bayonet was ever issued. Only one experimental bayonet fitting was ever made for the BAR by Winchester. This was a standard, M1917 bayonet fitted at the Winchester factory with a special muzzle ring. The bayonet was attached to a standard M1918 BAR by means of a special experimental flash hider assembly. This prototype bayonet-flash hider assembly came from the Winchester in-house factory museum in New Haven, Connecticut with a tag printed on one side Winchester Repeating Arms Co./New Haven Conn., and handwitten on the other side: combined flash hider, front sight and bayonet mount for Browing Automatic Rifle Model 1918 with bayonet and scabbard and the date - September 7, 1918. There is no evidence whatsoever of military adoption nor a military stock number, name, or classification.
Variants and subsequent models
During its lengthy service life, the BAR underwent continuous development, receiving many improvements and modifications. The first major attempt at improving the M1918 resulted in the M1922 machine rifle, adopted by the United States Cavalry in 1922 as a troop-level light machine gun. The weapon used a new heavy profile ribbed barrel, an adjustable spiked bipod (mounted to a swiveling collar on the barrel) with a rear, stock-mounted monopod, a side-mounted sling swivel and a new rear endplate, fixed to the stock retaining sleeve. The handguard was changed, and in 1926, the BAR's sights were redesigned to accommodate the heavy-bullet 172-grain M1 .30-06 ball ammunition then coming into service for machine gun use.
In 1931, the Colt Arms Co. introduced the Monitor Automatic Machine Rifle (R 80), intended primarily for use by prison guards and law enforcement agencies. Intended for use as a shoulder-fired automatic rifle, the Monitor omitted the bipod, instead featuring a separate pistol grip and buttstock attached to a lightweight receiver, along with a shortened, 458 mm (18.0 in), barrel fitted with a 4-inch (100 mm) Cutts compensator. Weighing 16 lb 3 oz (7.34 kg) empty, the Monitor had a rate of fire of approximately 500 rpm. Around 125 were produced; 90 were purchased by the FBI. Eleven went to the US Treasury Department in 1934, while the rest went to various state prisons, banks, security companies, and accredited police departments. Although available for export sale, no examples appear to have been exported.
In 1932, a greatly shortened version designed for bush warfare was developed by USMC Major H.L. Smith, and was the subject of an evaluative report by Captain Merritt A. Edson, ordnance officer at the Quartermaster's Depot in Philadelphia, Pennsylvania. The barrel was shortened nine inches (229 mm) at the muzzle, and the gas port and gas cylinder tube were relocated. The modified BAR weighed 13 lb 12 oz (6.24 kg) and was only 34.5 inches (880 mm) long overall. Though it proved superior to the M1918 in accuracy when fired prone in automatic mode and equal in accuracy to the standard M1918 at ranges of 500-600 yards (460–550 m) from a rest, it was less accurate when fired from the shoulder, and had a loud report combined with a fierce muzzle blast. Attaching a Cutts compensator materially reduced the muzzle blast, but this was more than offset by the increase in smoke and dust at the muzzle when fired, obscuring the operator's vision. Nor did it improve control of the weapon when fired in bursts of automatic fire. Though the report recommended building six of these short-barrelled jungle BARs for further evaluation, no further work was done on the project.
The M1918A1, featuring a lightweight spiked bipod, with a leg height adjustment feature, attached to the gas cylinder and a hinged steel butt plate, was formally approved on 24 June 1937. The M1918A1 was intended to increase the weapon's effectiveness and controllability firing in bursts. Relatively few M1918s were rebuilt to the new M1918A1 standard.
In April 1938, work commenced on an improved BAR for the U.S. Army. The latter specified a need for a BAR designed to serve in the role of a light machine gun for squad-level support fire. Early prototypes were fitted with barrel-mounted bipods, as well as pistol grip housings and a unique rate-of-fire reducer mechanism purchased from FN Herstal. The rate reducer mechanism performed well in trials, and the pistol grip housing enabled the operator to fire more comfortably from the prone position. However, in 1939 the Army declared that all modifications to the basic BAR be capable of being retrofitted to earlier M1918 guns with no loss of parts interchangeability. This effectively killed the FN-designed pistol grip and its proven rate reducer mechanism for the new M1918 replacement.
Final development of the M1918A2 was authorized on 30 June 1938. The FN-designed pistol grip and rate-reducer mechanism with two rates of automatic fire was shelved in favor of a rate-reducer mechanism designed by Springfield Armory, and housed in the buttstock. The Springfield Armory rate reducer also provided two selectable rates of fully automatic fire only, activated by engaging the selector toggle. Additionally, a skid-footed bipod was fitted to the muzzle end of the barrel, magazine guides were added to the front of the trigger guard, the handguard was shortened, a heat shield was added to help the cooling process, a small separate stock rest (monopod) was included for attachment to the butt, and the weapon's role was changed to that of a squad light machine gun. The BAR's rear sight scales were also modified to accommodate the newly standardized M2 Ball ammunition with its lighter, flat-base bullet. The M1918A2's walnut buttstock is approximately one inch (2.5 cm) longer than the M1918 BAR's buttstock. The M1918A2's barrel was also fitted with a new flash suppressor, and fully adjustable iron sights. Late in the war, a barrel-mounted carrying handle was added.
Because of budget limitations, initial M1918A2 production consisted of conversions of older M1918 BARs (remaining in surplus) along with a limited number of M1922s and M1918A1s. After the outbreak of war, attempts to ramp up new M1918A2 production were stymied by the discovery that the World War I tooling used to produce the M1918 was either worn out or incompatible with modern production machinery. New production was first undertaken at the New England Small Arms Corp. and International Business Machines Corp. (a total of 188,380 new weapons were manufactured). In 1942, a shortage of black walnut for buttstocks and grips led to the development of a black plastic buttstock for the BAR. Composed of a mixture of Bakelite and Resinox, and impregnated with shredded fabric, the buttstocks were sandblasted to reduce glare. The Firestone Rubber and Latex Products Company produced the plastic buttstock for the US Army, which was formally adopted on March 21, 1942. The M1922 machine rifle was declared obsolete in 1940, but they were used by Merrill's Marauders in Burma later in the war as a slightly lighter alternative to the M1918A2.
Production rates greatly increased in 1943 after IBM introduced a method of casting BAR receivers from a new type of malleable pig iron developed by the Saginaw division of General Motors, called ArmaSteel. After successfully passing a series of tests at Springfield Armory, the Chief of Ordnance instructed other BAR receiver manufacturers to change over from steel to ArmaSteel castings for this part. During the Korean War, M1918A2 production was resumed, this time contracted to the Royal McBee Typewriter Co., which produced an additional 61,000 M1918A2s.
Heavy Counter Assault Rifle
The Ohio Ordnance Works HCAR includes improvements such as an AR style buffer tube with adjustable stock, an optional 16" shortened barrel with adjustable gas regulator, handguard, and receiver picatinny rails as well as a suppressor compatible flash hider.
It also addresses the original BAR's weight issue through material reduction by machining material from the receiver, and through a dimpled barrel removing 8lbs overall.
International and commercial models
The BAR also found a ready market overseas and in various forms was widely exported. In 1919, the Colt's company developed and produced a commercial variant called the Automatic Machine Rifle Model 1919 (company designation: Model U), which has a different return mechanism compared to the M1918 (it is installed in the stock rather than the gas tube) and lacks a flash hider. Later the Model 1924 rifle was offered for a short period of time, featuring a pistol grip and a redesigned handguard. These Colt automatic rifles were available in a number of calibers, including .30-06 Springfield (7.62×63mm), 7.65×53mm Belgian Mauser, 7×57mm Mauser, 6.5×55mm, 7.92×57mm Mauser and .303 British (7.7×56mmR). All of the 6.5×55mm-caliber Colt automatic rifles appear to have been sold directly to FN.
An improved version of the Model 1924, the Model 1925 (R75) has achieved the highest popularity in export sales. It is based on the Model 1924 but uses a heavy, finned barrel, a lightweight bipod and is equipped with dust covers in the magazine well and ejection port (some of these features were patented: US patents Nos. 1548709 and 1533968). The Model 1925 was produced in various calibers, including .30-06 Springfield (7.62×63mm), 7.65×53mm Belgian Mauser, 7×57mm Mauser, 7.92×57mm Mauser, and .303 British (7.7×56mmR) (no Colt-manufactured Model 1925 rifles in 6.5×55mm appear to have been sold). A minor variant of the Model 1925 (R75) was the R75A light machine gun with a quick-change barrel (produced in 1924 in small quantities for the Dutch Army). Between 1921 and 1928, FN Herstal imported over 800 Colt-manufactured examples of the Colt Machine Rifles for sale abroad.
All of the Colt automatic machine rifles, including the Colt Monitor, were available for export sale. After 1929, the Model 1925 and the Colt Monitor were available for export sale in Colt's exclusive sales territories per its agreement with FN. These Colt territories included North America, Central America, the West Indies, South America, Great Britain, Russia, Turkey, Siam (Thailand), India, and Australia.
A variant known as the FN Mle 1930 was developed in 7.65×53mm Belgian Mauser by FN Herstal and adopted by the Belgian Army. The Mle 1930 is basically a licensed copy of the Colt Automatic Machine Rifle, Model 1925 (R 75). The Mle 1930 has a different gas valve and a mechanical rate-reducing fire control mechanism designed by Dieudonne Saive, located in the trigger guard-pistol grip housing. Some of these FN rate reducer mechanisms and pistol grip housings were later purchased by Springfield Armory for evaluation and possible adoption on a replacement for the M1918. The weapon also had a hinged shoulder plate and was adapted for use on a tripod mount. In 1932, Belgium adopted a new version of the FN Mle 1930 allocated the service designation FN Mle D (D—demontable or "removable") which had a quick-change barrel, shoulder rest and a simplified take-down method for eased cleaning and maintenance. The Mle D was produced even after World War II in versions adapted for .30-06 Springfield and NATO-standard 7.62×51mm ammunition.
The final variant in Belgian service was the Model DA1 chambered for the 7.62×51mm NATO cartridge and feeding from the 20-round magazines for the FN FAL rifle.
Production of the BAR in Belgium began only after signing an agreement with Poland (on 10 December 1927) involving the procurement of 10,000 wz. 1928 light machine guns chambered in 7.92×57mm Mauser, which are similar to the R75 variant but designed specifically to meet the requirements of the Polish Army. Changes to the base design include a pistol grip, different type of bipod, open-type V-notch rear sight and a slightly longer barrel. Subsequent rifles were assembled locally in Poland under license by the state rifle factory (Państwowa Fabryka Karabinów) in Warsaw. The wz. 1928 was accepted into service with the Polish Army in 1927 under the formal name 7,92 mm rkm Browning wz. 1928 and – until the outbreak of World War II – was the primary light support weapon of Polish infantry and cavalry formations (in 1939 Poland had a total of approximately 20,000 wz. 1928 rifles in service). Additional detail modifications were introduced on the production line. Among them was the replacement of the iron sights with a smaller version and reshaping the butt to a fish tail.
In the mid-1930s, Polish small arms designer Wawrzyniec Lewandowski was tasked with developing a flexible aircraft-mounted machine gun based on the Browning wz.1928. This resulted in the wz. 1937. Changes included increasing the weapon's rate of fire to 1,100 rounds/min, eliminating the buttstock, adding a spade-type grip to the rear of receiver, moving the main drive spring under the barrel and most importantly – changing the feed system. Sustained fire was practically impossible with the standard 20-round box magazine, thus a new feed mechanism was developed which was added to the receiver as a module. It contains a spring-loaded bolt-actuated lever, which would feed a round from a 91-round pan magazine located above the receiver and force the round into the feed path during unlocking. The machine gun was accepted in 1937 and ordered by the Polish Air Force as the karabin maszynowy obserwatora wz. 1937 ("observers machine gun model 1937"). Three hundred thirty-nine machine guns were eventuality acquired and used as armament in the PZL.37 Łoś medium bomber and the LWS-3 Mewa reconnaissance aircraft.
In 1920, the Belgian arms manufacturer Fabrique Nationale (FN) acquired sales and production rights to the BAR series of firearms in Europe from Colt. The first BAR model sold by FN was the Kg m/21 (Kg—Kulsprutegevär or "machinegun rifle") chambered for the 6.5×55mm m/94 cartridge. The m/21 is a variant of the Model 1919 designed to Swedish specifications and manufactured initially by Colt's and later under license at the Carl Gustafs Stads Gevärsfaktori in Eskilstuna. Compared to the Model 1919, the Swedish weapon has—apart from the different caliber—a spiked bipod and pistol grip. The m/21 would become one of Sweden's main support weapons in the interwar years together with the water-cooled belt-fed Ksp m/1914 medium machine gun (Swedish adaptation of the Austrian M07/12). Dissatisfied with the rapidly overheating fixed barrel of the m/21, Carl Gustaf began to design a new quick-detach mechanism for the barrel which mates the externally grooved chamber to a series of rotating flanges in the receiver operated by a locking lever. The barrel also received cooling fins along its entire length. These enhancements were incorporated into the fm/1935 prototype which was favorably evaluated during trials in 1935. The final version was the Kg m/37, adopted for service in 1937, which uses a smooth contour, unfinned barrel. Numerous m/21 guns were retrofitted with the screw-on receiver extension and quick-change barrel, and renamed the Kg m/21-37. The m/37 remained in service until being replaced by the FN MAG, but was still in second-line use until 1980. Carl Gustaf also developed a belt-fed prototype; however, it was never adopted.
The Chinese Nationalist Army used the FN M1930 throughout the Second Sino-Japanese War. The Chinese BAR was chambered for the German 7.92×57mm Mauser round, the standard rifle cartridge of the National Revolutionary Army. After the outbreak of the Pacific War, the Chinese Expeditionary Army in Burma was equipped with American BARs. Towards the end of the war, small quantities of American equipment, including the BAR, made their way into mainland China.
With the cessation of WWI hostilities, Colt Arms Co. received the Browning patents to produce the BAR that had been withheld from issue during the war. This allowed Colt to make the BAR available for commercial sale, including sale to civilian owners. The Colt Automatic Machine Rifle Model 1919, initially made up of overruns from the M1918 military production contract, was the first of several commercial Colt BARs that would follow. However, the high price of the weapon and its limited utility for most civilian owners resulted in few sales. Ad Topperwien, a famous trick shooter of the early 1920s, purchased one of the first Colt-produced BARs to perform aerial target shooting exhibitions. Occasional BAR sales were made to civilian owners through distributors such as the Ott-Heiskell Hardware Co. In 1931, the new Colt Monitor was made available to civilians during the Depression at $300 each, including a spare parts kit, sling, cleaning accessories, and six magazines, but Colt records indicate no domestic sales to individuals. After passage of the National Firearms Act of 1934, civilian BAR ownership was restricted even further. Importation of machine guns for U.S. civilian transfer was banned in 1968, and U.S. production of machine guns for civilian transfer was banned in 1986. However, some transferable civilian-owned BAR models exist in the United States, and occasionally come up for sale to qualified buyers. Some companies are manufacturing semi-automatic copies for sale to civilians. Ohio Ordnance Works, Inc, in Chardon, Ohio holds an exclusive patent for the 1918A3-SLR (Self-Loading Rifle), which is a contemporary semi-automatic variant of the M1918 and is legal for civilians to own. 
Criminal and law enforcement use
Although the Colt Monitor version of the BAR failed to interest U.S. civilian buyers in the midst of the Depression, the underworld was a lot more interested: in 1936, the price of a black-market Colt Monitor was USD$5,000, with military BARs going for somewhat less. The army's M1918 was a favorite of gangster Clyde Barrow, who obtained his examples through periodic robberies of Army National Guard armories in the Midwest. Barrow liked to use armor-piercing (AP) .30-06 ammunition he obtained from armory stores, and frequently modified his BARs to suit his own needs. Barrow taught his girlfriend Bonnie Parker to fire the M1918 as well, and by all accounts she was an excellent BAR operator. Parker used an M1918 on full-automatic to pin down unsuspecting law officers after they confronted the gang at a house in Joplin, Missouri. A Missouri highway patrolman at the scene, forced to dive for cover behind a substantial oak tree after Bonnie Parker opened up on him, later stated: "That little red-headed woman filled my face with splinters on the other side of that tree with one of those damned guns".
As the use of automatic weapons by criminal elements in the United States became more widespread, FBI director J. Edgar Hoover ordered the FBI to acquire and commence regular training with automatic shoulder weapons, including the Thompson submachine gun and the BAR. For its BARs, the FBI turned to Colt, which sold 90 Colt Monitor automatic machine rifles to the agency. Some of the FBI's Monitors were distributed to FBI field offices for use as support weapons if needed on a particular operation, while the remainder were retained at the FBI Academy in Quantico, Virginia for training purposes. Colt sold an additional 11 Colt Monitors to the US Treasury Department in 1934, while 24 guns were sold to state prisons, banks, security companies, and accredited city, county, and state police departments. At least one member of the ambush team who killed Bonnie and Clyde was armed with a Colt Monitor.
Although it has sometimes been alleged that the M1918 or M1918A2 Browning Automatic Rifle was used by members of the Symbionese Liberation Army (SLA) in a shootout with Los Angeles police on 17 May 1974, no SLA members ever used such a weapon. The confusion arose out of Browning's decision in the 1970s to also designate its semiautomatic hunting rifle the Browning BAR. The SLA converted a .30-06 Browning BAR hunting rifle and a .243 Remington Model 742 to automatic fire by filing down the sear, and it was these weapons that were used in the shootout.
In US military service
World War I
At its inception, the M1918 was intended to be used as a shoulder-fired rifle capable of both semi-automatic and fully automatic fire. First issued in September 1918 to the AEF, it was based on the concept of "walking fire", a French practice in use since 1916 for which the CSRG 1915 (Chauchat) had been used accompanying advancing squads of riflemen toward the enemy trenches, as regular machine guns were too cumbersome to move with the troops during an assault.
In addition to shoulder-fired operation, BAR gunners were issued a belt with magazine pouches for the BAR and sidearm along with a "cup" to support the stock of the rifle when held at the hip. In theory, this allowed the soldier to lay suppressive fire while walking forward, keeping the enemy's head down, a practice known as "marching fire". The idea would resurface in the submachine gun and ultimately the assault rifle. It is not known if any of the belt-cup devices actually saw combat use.
The BAR only saw minor action in France during World War I, being brought into action only as late as September 1918, less than three months before Armistice Day. The intentional delay had been inspired by general Pershing, the A.E.F. commander, in order not to let the BAR fall into enemy hands too early. Fifty-two thousand BARs were available by November 1918 and they would have been used in much larger numbers at the front if the war had lasted into 1919.
During the interwar years, as the U.S. Army was reduced significantly in size, the BAR remained in the smaller extant Regular Army and by the 1930s, was also issued to state national guard units to be maintained at their armories. Given the part-time nature, smaller manning and lesser security of these national guard armories when compared to regular army installations, some BARs were subject to theft by domestic civilian criminal elements.
The BAR was also standard issue to US naval landing forces during the period. The weapon was a standard item in US warship armories, and each BAR was accompanied by a spare barrel. Large capital ships often had over 200 BARs on board, with many of the US Navy BARs remaining in service well into the 1960s.
The BAR also saw action with US Marine Corps units participating in the Haitian and Nicaraguan interventions, as well as with US Navy shipboard personnel in the course of patrol and gunboat duty along the Yangtze River in China. The First Marine Brigade stationed in Port-au-Prince, Haiti, noted that training a man to use the BAR proficiently took a full two days of range practice and instruction, compared to half a day with the .45 caliber Thompson submachine gun.
Prior to World War II both the US Army and Marine Corps had a separate BAR squad together with three rifle squads in the "square" organisation of the time. When converting to the "triangular" organisation the separate BAR squad was eliminated with BARs going to each rifle squad.
World War II
When the threat of a new war arose, Ordnance belatedly realized that it had no portable, squad light machine gun, and attempted to convert the M1918 BAR to that role with the adoption of the M1918A2 by the US Army on 30 June 1938. The BAR was issued as the sole automatic fire support for a twelve-man squad, and all men were trained at the basic level how to operate and fire the weapon in case the designated operators were killed or wounded. At the start of the war, infantry companies designated three-man BAR teams, a gunner, an assistant gunner, and an ammunition bearers who carried additional magazines for the gun. By 1944, some units were using one-man BAR teams, with the other riflemen in the squad detailed to carry additional magazines or bandoliers of .30 ammunition. Despite various claims on the subject, the BAR was issued to soldiers of various heights.
As originally conceived, US Army tactical doctrine called for one M1918A2 per squad, using several men to support and carry ammunition for the gun. Fire and movement tactics centered on the M1 riflemen in the squad, while the BAR man was detailed to support the riflemen in the attack and provide mobility to the riflemen with a base of fire. This doctrine received a setback early in the war after US ground forces encountered German troops, well-armed with automatic weapons, including fast-firing, portable machine guns. In some cases, particularly in the attack, every fourth German infantryman was equipped with an automatic weapon, either a submachine gun or a full-power machine gun.
In an attempt to overcome the BAR's limited continuous-fire capability, US Army divisions increasingly began to specify two BAR fire teams per squad, following the practice of the US Marine Corps. One team would typically provide covering fire until a magazine was empty, whereupon the second team would open fire, thus allowing the first team to reload. In the Pacific, the BAR was often employed at the point or tail of a patrol or infantry column, where its firepower could help break contact on a jungle trail in the event of an ambush. After combat experience showed the benefits of maximizing portable automatic firepower in squad-size formations, the US Marine Corps began to increase the number of BARs in its combat divisions, from 513 per division in 1943 to 867 per division in 1945. A thirteen-man squad was developed, consisting of 3 four-man fire teams, with one BAR per fire team, or three BARs per squad. Instead of supporting the M1 riflemen in the attack, marine tactical doctrine was focused around the BAR, with riflemen supporting and protecting the BAR gunner.
Despite the improvements in the M1918A2, the BAR remained a difficult weapon to master with its open bolt and strong recoil spring, requiring additional range practice and training to hit targets accurately without flinching. As a squad light machine gun, the BAR's effectiveness was mixed, since its thin, non-quick-change barrel and small magazine capacity greatly limited its firepower in comparison to genuine light machine guns such as the British Bren and the Japanese Type 96. The weapon's rate-reducer mechanism, a delicately balanced spring-and-weight system described by one ordnance sergeant as a "Rube Goldberg device", came in for much criticism, often causing malfunctions when not regularly cleaned. The bipod and buttstock rest (monopod), which contributed so much to the M1918A2's accuracy when firing prone on the rifle range, proved far less valuable under actual field combat conditions. The stock rest was dropped from production in 1942, while the M1918A2's bipod and flash hider were often discarded by individual soldiers and marines to save weight and improve portability, particularly in the Pacific Theatre of war. With these modifications, the BAR effectively reverted to its original role as a portable, shoulder-fired automatic rifle.
Due to production demands, war priorities, subcontractor issues, and material shortages, demand for the M1918A2 frequently exceeded supply, and as late as 1945 some Army units were sent into combat still carrying older, unmodified M1918 weapons.
After a period of service, ordnance personnel began to receive BARs with inoperable or malfunctioning recoil buffer mechanisms. This was eventually traced to the soldier's common practice of cleaning the BAR in a vertical position with the butt of the weapon on the ground, allowing cleaning fluid and burned powder to collect in the recoil buffer mechanism. Additionally, unlike the M1 rifle, the BAR's gas cylinder was never changed to stainless steel. Consequently, the gas cylinder frequently rusted solid from the use of corrosive-primered M2 service ammunition in a humid environment when not stripped and cleaned on a daily basis. While not without design flaws (a thin-diameter, fixed barrel that quickly overheated, limited magazine capacity, complex field-strip/cleaning procedure, unreliable recoil buffer mechanism, a gas cylinder assembly made of corrosion-prone metals, and many small internal parts), the BAR proved rugged and reliable enough when regularly field-stripped and cleaned.
During World War II, the BAR saw extensive service, both official and unofficial, with many branches of service. One of the BAR's most unusual uses was as a defensive aircraft weapon. In 1944, Captain Wally A. Gayda, of the USAAF Air Transport Command, reportedly used a BAR to return fire against a Japanese Army Nakajima fighter that had attacked his C-46 cargo plane over the Hump in Burma. Gayda shoved the rifle out his forward cabin window, emptying the magazine and apparently killing the Japanese pilot.
The BAR continued in service in the Korean War. The last military contract for the manufacture of the M1918A2 was awarded to the Royal Typewriter Co. of Hartford, Connecticut, which manufactured a total of 61,000 M1918A2s during the conflict, using ArmaSteel cast receivers and trigger housings. In his study of infantry weapons in Korea, historian S.L.A. Marshall interviewed hundreds of officers and men in after-action reports on the effectiveness of various U.S. small arms in the conflict. General Marshall's report noted that an overwhelming majority of respondents praised the BAR and the utility of automatic fire delivered by a lightweight, portable small arm in both day and night engagements. In his autobiography Colonel David Hackworth praised the BAR as 'the best weapon of the Korean War'
A typical BAR gunner of the Korean War carried the twelve-magazine belt and combat suspenders, with three or four extra magazines in pockets. Extra canteens, .45 pistol, grenades, and a flak vest added still more weight. As in World War II, many BAR gunners disposed of the heavy bipod and other accoutrements of the M1918A2, but unlike the prior conflict the flash hider was always retained because of its utility in night fighting.
The large amounts of ammunition expended by BAR teams in Korea placed additional demands on the assistant gunner to stay in close contact with the BAR at all times, particularly on patrols. While the BAR magazines themselves always seemed to be in short supply, Gen. Marshall reported that "riflemen in the squad were markedly willing to carry extra ammunition for the BAR man".
In combat, the M1918A2 frequently decided the outcome of determined attacks by North Korean and Chinese communist forces. Communist tactical doctrine centered on the mortar and machine gun, with attacks designed to envelop and cut off United Nations forces from supply and reinforcement. Communist machine gun teams were the best-trained men in any given North Korean or Chinese infantry unit, skilled at placing their heavily camouflaged and protected weapons as close to UN forces as possible. Once concealed, they often surprised UN forces by opening fire at very short ranges, covering any exposed ground with a hail of accurately sighted machine gun fire. Under these conditions it was frequently impossible for US machine gun crews to move up their Browning M1919A4 and M1919A6 guns in response without taking heavy casualties; when they were able to do so, their position was carefully noted by the enemy, who would frequently kill the exposed gun crews with mortar or machine gun fire while they were still emplacing their guns. The BAR gunner, who could stealthily approach the enemy gun position alone (and prone if need be), proved invaluable in this type of combat.
During the height of combat, the BAR gunner was often used as the 'fire brigade' weapon, helping to bolster weak areas of the perimeter under heavy pressure by communist forces. In defense, it was often used to strengthen the firepower of a forward outpost. Another role for the BAR was to deter or eliminate enemy sniper fire. In the absence of a trained sniper, the BAR proved more effective than the random response of five or six M1 riflemen.
Compared to World War II, US infantry forces saw a huge increase in the number of night engagements. The added firepower of the BAR rifleman and his ability to redeploy to 'hot spots' around the unit perimeter proved indispensable in deterring night infiltration by skirmishers as well as repelling large-scale night infantry assaults.
While new-production M1918A2 guns were almost universally praised for faultless performance in combat, a number of malfunctions in combat were reported with armory-reconditioned M1918A2s, particularly weapons that had been reconditioned by Ordnance in Japan, which did not replace operating (recoil) springs as a requirement of the reconditioning program. After decades of complaints, ordnance addressed the problem of maintaining the problematic gas piston on the BAR by issuing disposable nylon gas valves. When the nylon valve became caked over with carbon, it could be discarded and replaced with a fresh unit, eliminating the tedious task of cleaning and polishing the valve with wire brush and GI solvent (frequently in short supply to line units).
The M1918A2 was used in the early stages of the Vietnam War, when the US delivered a quantity of 'obsolete', second-line small arms to the South Vietnamese Army and associated allies, including the Montagnard hill tribespeople of South Vietnam. US Special Forces advisors frequently chose the BAR over currently available infantry weapons. As one Special Forces sergeant declared, "Many times since my three tours of duty in Vietnam I have thanked God for ... having a BAR that actually worked, as opposed to the jamming M16 ... We had a lot of Viet Cong infiltrators in all our [Special Forces] camps, who would steal weapons every chance they got. Needless to say, the most popular weapon to steal was the venerable old BAR."
Quantities of the BAR remained in use by the Army National Guard up until the mid-1970s. Many recipients of US foreign aid adopted the BAR and used it into the 1990s.
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- Belgium: Adopted in 1930, built under licence by Fabrique Nationale
- People's Republic of China: A large number were seized from the Republic of China during the Chinese Civil War.
- Republic of China: Used by nationalist forces during the Second Sino-Japanese War and subsequent Chinese Civil War, most of them armed with BARs or FN Mle 30s
- Costa Rica
- El Salvador
- France: Supplied to Free French forces during World War II. Known as the Fusil-mitrailleur 7 mm 62 (C. 30) M. 18 (B. A. R.).
- Nazi Germany: The Wehrmacht captured a number of Polish-made Browning wz. 1928 guns and used them until the end of World War II under the designation IMG 28(p)
- West Germany
- Italy Used the M1918A2 as the Fucile Mitragliatore Browning (B.A.R.) cal. 7,62.
- Israel: Used FN Model Ds.
- Japan: Used some BARs/FN Mle 30s. Most of them were taken from disarmed Chinese forces with original markings removed to use Japanese markings.
- South Korea
- Netherlands: Introduced to the Korps Mariniers in 1943 with the creation of the Mariniersbrigade. Known as the Browning Automatisch Geweer M.1918 A2, 243 BARs were in use with the Mariniersbrigade. The Koninklijke Landmacht also used the M1918A2 whilst fighting in the Korean War under American command.
- Nicaragua: The Guardia Nacional de Nicaragua used the BAR first supplied by the US Marines and later by the US Military Assistance Program (MAP) continuously from 1932 to 1979.
- Panama: Used by La Guardia Nacional in the 1950s to 1970s
- Spanish Republic - bought Polish variants for Spanish Civil War (SCW)
- Spanish State - captured from Republican side in SCW
- South Sudan: Used by the SPLA
- North Vietnam: Captured and used by the Viet Cong and the North Vietnamese Army. Most used when French/French colonial forces in Vietnam were forced to leave their gear behind.
- South Vietnam: Used by the ARVN, most provided as surplus
- Soviet Union: A number of wz. 1928s were seized from the Poles by the Red Army and used during the war
- Thailand: Locally known as the ปลก.88 or ปืนเล็กกล 88
- Turkey (1950–80)
- United Kingdom: Issued to the Home Guard in World War II
- United States
- Ribeyrolles 1918 automatic carbine
- Kg m/40 light machine gun
- Mendoza RM2
- Model 45A
- Mondragón rifle
- Weibel M/1932
- M27 IAR
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- Popiel, Adam (1992). Uzbrojenie lotnictwa polskiego 1918–1939 (in Polish). Warsaw, Poland: SIGMA-NOT. pp. 205–206. ISBN 83-85001-37-9.
|Wikimedia Commons has media related to Browning M1918 (BAR).|
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- 90th Infantry Division Preservation Group – Reference manual page including 4 BAR manuals
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- It Sure Is a Rugged Gun, Allen Raymond, December 1944 World War II article by combat war correspondent in Italy
- Firearms Semantics: “Battle Rifle” and “Assault Rifle”.
- "Small Arms of WWI Primer 073: US Browning Automatic Rifle 1918". C&Rsenal (YouTube). 2018-03-26.