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Weatherby, Inc.
Founded1945 (1945)
FounderRoy Weatherby
United States
Key people
Ed Weatherby, Adam Weatherby
ProductsFirearms, Ammunition, Shooting accessories

Weatherby, Inc. is an American gun manufacturer founded in 1945 by Roy Weatherby. The company is best known for its high-powered magnum cartridges, such as the .257 Weatherby Magnum, .270 Weatherby Magnum, .300 Weatherby Magnum, .340 Weatherby Magnum and the .460 Weatherby Magnum. Company headquarters is in Sheridan, Wyoming.


The original production rifles by Roy Weatherby were built on commercial Mauser actions by FN, Brevex (magnum), and Mathieu (left hand). For bespoke rifles, Weatherby would build to a customer's specifications, using any action the customer wanted, provided it was strong enough for the desired cartridge. For many years, Weatherby manufactured his rifles at his small facility in South Gate, California. But in 1956, he contracted with Sako to build his production rifles on Weatherby-FN Mauser actions. Custom rifles were still produced in South Gate, however.[1]

Weatherby's first break with Mauser actions came in 1956 when he commissioned the Danish firm of Schultz & Larsen to build 378 Weatherby Magnums utilizing their Model 54 bolt action. This action was very stout and featured four rear locking lugs. Many of its features (such as the low bolt lift and triple gas escape ports in the bolt) would find their way into Weatherby's proprietary bolt action, which would make its debut two years later.[1]

In 1958, after several years of development, Roy Weatherby introduced the Mark V bolt action, his first proprietary design developed totally in-house by Weatherby himself and his head engineer, Fred Jennie. Built to withstand the hottest of Weatherby's experimental cartridges (which were exceeding 100,000 psi). The first Weatherby Mark V actions were manufactured in the U.S. by Pacific Founders, Inc. and the rifles were assembled and finished at the Weatherby facility in South Gate. Demand for the Mark V quickly exceeded Weatherby's manufacturing capability, so the company contracted with J. P. Sauer in West Germany to build production Mark V rifles. Manufacturing of the Mark V remained there until the early 1970s when material and labour costs led Weatherby to move production to Howa in Japan. Some say[who?] the machining and finishing of the Howa made Mark Vs was actually better than the Sauer made guns. In 1995, manufacturing of the Mark V was moved back to the United States, where the Mark V has been built under contract by both Saco Defense and Acrometal/ATEK.[1]

The Mark V action remained relatively unchanged during the first five years of production. Shortly after, manufacturing moved from PFI in the U.S. to J. P. Sauer in Germany. In addition, the safety was redesigned and moved from the receiver to the bolt, which was changed from a smooth to a fluted surface. The first major change came in 1963 when Weatherby designed a shorter and more trim Mark V action for their 224 Weatherby Magnum varmint round, new for 1964. The bolt in this smaller Mark V action only had six locking lugs, versus the nine found on its bigger brother. Rifles chambered for the new 224 Wby Magnum were dubbed "Varmintmaster." The Varmintmaster was later offered in 22-250 Remington, making this the first non-Weatherby cartridge offered in the Mark V. In 1967, the 9-lug Mark V action was offered for the first time in 30-06. These two cartridges, the 30-06 and 22-250, remained the only two non-Weatherby chamberings offered in production Mark V rifles until the mid-1990s. (Though Weatherby would build a custom Mark V to a customer's specifications in virtually any caliber.) Today, all non-Weatherby standard calibers (not magnum cartridges) are only offered in 6-lug versions of the action. This makes 9-lug, 30-06 Mark Vs (whether made in Germany or Japan) somewhat of a rarity.[1]

In the late 1960s, Weatherby contracted with Howa of Japan to build a Weatherby rifle that would be more affordable for the average hunter. The result was the Weatherby Vanguard which was introduced in 1970, the same year that production of the Mark V moved to Japan.[2] Based on the Howa 1500 bolt action, and initially offered only in standard calibers, the Vanguard provided an attractive alternative for buyers in the market for a sporting bolt-action rifle like the Winchester Model 70 or Remington Model 700. The Vanguard is now available in select Weatherby magnum calibers.[3]

In January, 2018 the company announced it was relocating from Paso Robles, California to Sheridan, Wyoming.[4]



Weatherby Mark V in 7mm Weatherby

Today, Weatherby still offers only two lines of centerfire rifles: the Mark V and the Vanguard. The Mark V barreled action is manufactured by ATEK in Brainerd, MN while the barrel and action for the Vanguard are still manufactured by Howa in Japan. Final assembly of the Mark V and Vanguard is performed at Weatherby's company headquarters in Sheridan. The Mark V uses two action sizes. The larger 9-lug bolt action is used for all larger Weatherby magnum calibers. The smaller 6-lug action (in two lengths) is used for the 240 Weatherby, and all standard calibers. (The 224 Weatherby Magnum is no longer offered as a regular production caliber, but presumably could be special ordered.) Both the Mark V and Vanguard are available as sub-MOA which was replaced with "Range Certified" rifles in various models (ranging from blued to stainless steel metal and kevlar to wood stocks) and calibers .223 (Vanguard only) through .300 Weatherby Magnum. Calibers .340 through .460 are only available on the Mark V due to the stronger bolt.[3][5]

Weatherby rifles come with a guarantee of 1.5 MOA and even sub-MOA accuracy from a cold bore on some models. Few other rifle manufacturers offer such a guarantee. Generally regarded as of higher quality than Remington or Winchester rifles, Weatherby Mark V rifles are considerably more expensive in terms of both the rifle and ammunition. However, the Vanguard models are competitively priced with other makes and models.[3][6]


Weatherby no longer manufactures rifle scopes, or other optic products.

Mark XXI Scopes (made in Japan)1964-1989

Sightmaster Spotting Scope (made in Japan)20X-45X:1972- 1982 20x-60x: 1983-1989

Imperial Scopes (Manufacturer: Hertel & Reuss, made in West Germany)1954-1973

Premier Scopes (made in Japan)1973-1982

Supreme Scopes (made in Japan)1983-1994 [7]


Weatherby offers a line of shotguns for bird hunting, and trap/skeet shooting. Weatherby produces four types (each with two models) of shotgun: over-under double barrel, side-by-side double barrel, pump, and semi-automatic. Current production Weatherby shotguns (the "D'Italia" line) are made in Italy through a collaborative effort with Italian gunmaker Fausti Stefano.[8]


The "Father of High Velocity" was firearm designer and cartridge pioneer Charles Newton, being the first to build a hunting cartridge and rifle capable of firing a bullet at over 3,000 fps. It was with Weatherby that the trend of ultra high velocity hunting calibers was developed. In the late 1980s, Remington's Ultra Mag series of unbelted cartridges, returning to the Newton-style of cartridge design, has given Weatherby competition. However, Weatherby still makes the most powerful commercially available hunting cartridge in the world with its .460 Weatherby.[9][10]

According to Weatherby's website, the company's full line up of calibers consists of the:


Weatherby offers rifles chambered in:

Another cartridge, designed by Roy Weatherby, was the .220 Weatherby Rocket. It does not have the typical double-radius shoulder like the rest of the Weatherby calibers, and it is not a belted magnum. It is best described as an "improved" version of the .220 Swift.

Weatherby shotguns cover the spectrum of available cartridges from .410 bore up to 12 gauge.


  1. ^ a b c d Walter, John (2006). The rifle story: an illustrated history from 1776 to the present day. MBI Publishing Company. pp. 268–274. ISBN 978-1-85367-690-1.
  2. ^ Wieland, Terry (2006). Dangerous-Game Rifles. Down East Enterprise Inc. p. 106. ISBN 978-0-89272-691-2.
  3. ^ a b c Petzal, David E. (2008). "Accuracy Guaranteed Weatherby's SUB-MOA Vanguard Performs as Promised". Field & Stream. 112 (11): 94.
  4. ^ "After 30 years in SLO County, rifle manufacturer Weatherby is leaving for Wyoming"
  5. ^ Lewis, Jack (2007). The Gun Digest Book of Assault Weapons. Gun Digest Books. pp. 22–27. ISBN 978-0-89689-498-3.
  6. ^ Shideler, Dan (2011). Gun Digest 2012. Gun Digest Books. pp. 208–209. ISBN 978-1-4402-1447-9.
  7. ^ "Weatherby", "Roy" (25 April 2017). "Weatherby". weatherby Inc. Retrieved 25 April 2017.
  8. ^ McNab, Chris (2007). Sporting Guns: A Guide to the World's Rifles and Shotguns. Macmillan. pp. 59–60. ISBN 978-0-312-36823-4.
  9. ^ Wieland, Terry (2006). Dangerous-Game Rifles. Countrysport Press. p. 185. ISBN 978-0-89272-691-2. the .460 was to offer the most powerful commercial cartridge, and he succeeded.
  10. ^ Capstick, Peter Hathaway (1984). Safari: The Last Adventure. St. Martin's Press. p. 94. ISBN 978-0-312-69657-3. The Weatherby is the most "powerful" shoulder-fired commercially available caliber you can buy.

Further reading[edit]

  • MacPhee, William (1987). Rare Breed: The Entrepreneur, an American Culture. Probus Pub Co. p. 227. ISBN 978-0-917253-75-1.
  • Van Zwoll, Wayne (2000). The Hunter's Guide to Ballistics: Practical Advice on How to Choose Guns and Loads, and Use them Effectively. The Lyons Press. pp. 26–27. ISBN 978-1-58574-375-9.

External links[edit]