Bushmaster XM-15

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Bushmaster XM-15
Bushmaster XM15-E2S M4 Style Carbine
Bushmaster XM15-E2S M4 Style Carbine
TypeSemi-automatic rifle/carbine/
AR-15 style rifle
Place of originUnited States
Production history
ManufacturerBushmaster Firearms International
Mass8.27 lb (3.75 kg) (20" barrel, without magazine) [1]
Length38.25 in (97.2 cm) (20" barrel)
Barrel length20 in (51 cm) (rifle), 16 in (41 cm) (carbine)

Caliber.223 Remington / 5.56×45mm NATO
ActionGas operated, direct impingement
Rate of fire45 rounds per minute (semi-auto)[2]
Muzzle velocity3,260 feet per second (990 m/s)
Effective firing range600 yards (550 m)[2]
Maximum firing range3,865 yards (3,534 m)[2]
Feed systemSTANAG magazines, 30 rounds[3]
SightsA2-style front post[4]

The Bushmaster XM-15 series (or XM15[2]) is a line of AR-15 style semi-automatic rifles, and carbines, manufactured by Bushmaster Firearms International.[1] Variants include the Bushmaster M4-type Carbine, Patrolman series, QRC series, Bushmaster XM15-E2S and the Carbon 15 line.[1][4]


The standard XM-15 has a forged 7075T6 aircraft-grade aluminum upper and lower receiver. Barrels of XM-15 firearms have a heavy profile and are hard chrome-lined 4150 alloy steel or 416 stainless steel.[1][3] In Bushmaster's 2016 sales brochure, all new-production XM-15s are stated to be supplied with a 4150 steel barrel.[4] The standard barrel has rifling of 1 turn in 9".[2]

  • E2S Series: The basic E2S is fitted with a 16-inch carbine-style barrel.
    • E2S Target[5] - 20" heavy-barrel target rifle with A2-style stock and carry handle upper, also available with 24" and 26" barrels.
    • E2S Shorty[6] - 16-inch version with a "shorty" handguard.[5]
    • E2S Shorty AK[6] - Shorty variant with 14.5-inch carbine SBR barrel with an AK-74-style muzzle brake permanently welded to the end to increase the overall length to 16 inches.
    • E2S Dissipator[6] - Variant with a Bushmaster-designed 16-inch "Dissipator" barrel. This mounts a false gas block with a front sight at the 20" position with the real gas block in the carbine position and concealed under a rifle-length 12" handguard.
  • QRC Series: Formerly known as ORC ("optics ready carbine"), but now styled as QRC ("quick response carbine"), are flat-top rifles without iron sights, provided with a simple 1x20 red-dot optic. QRC is chambered in 5.56x45mm with a 1:8 twist melonite coated barrel, M16 style bolt carrier group & mil-spec buffer tube.
  • Patrolman Series:[5] - 7" or 10.5" barrel "pistol" version with a free-float handguard and no stock. Also available as a military or LE select-fire version.
  • Bushmaster M4-Type Carbine
  • Carbon 15


According to Gregg Lee Carter, an American sociologist who studies gun violence in the United States, the firearm was designed to comply with the 1994 Federal Assault Weapons Ban.[7] The Bushmaster XM15-E2S "M4 type" carbine gained notoriety for its use in the October 2002 Beltway sniper attacks.[8]

A Bushmaster XM-15 was used in the December 2012 Sandy Hook Elementary School shooting.[9] Nine families of the 26 victims of the shooting filed a class action lawsuit in Connecticut against Bushmaster, Remington Arms and others seeking "unspecified" damages,[10] claiming an exemption in the 2005 Protection of Lawful Commerce in Arms Act which would normally disallow such a suit.[11][12] The plaintiffs alleged that the XM15-E2S was only suitable for military and policing applications, and Bushmaster had inappropriately marketed the firearm to civilians.[12] The case was dismissed in superior court and was appealed to the Connecticut Supreme Court. [13] In March 2019 the Connecticut Supreme Court reinstated the wrongful death lawsuit, finding that Remington could be sued for alleged wrongful marketing. [14] The Connecticut Supreme Court decision was appealed to the United States Supreme Court, with briefs being filed in September 2019.[15]

An XM-15 was also used in the 2018 Nashville Waffle House shooting.[16]

An XM15-E2 was captured from Islamic State fighters in Sinjar Mountains by Peshmergas during the Iraqi Civil War.[17]


As a result of the Sandy Hook school shooting:



  1. ^ a b c d McNab, Chris (2007). Sporting Guns: A Guide to the World's Rifles and Shotguns. Macmillan. p. 173. ISBN 978-0312368234.
  2. ^ a b c d e Bushmaster XM15 operating manual, 1999 revision: statistics are for Bushmaster XM15-E2S[permanent dead link]
  3. ^ a b "Bushmaster XM15 and Carbon 15 user manual, 2005 revision". Archived from the original on 2016-08-11. Retrieved 2016-07-24.
  4. ^ a b c Bushmaster Firearms 2016 sales brochure
  5. ^ a b c Lee, Jerry (29 January 2016). 2016 Standard Catalog of Firearms: The Collector's Price and Reference Guide. F+W Media, Inc. ISBN 9781440244414 – via Google Books.
  6. ^ a b c Shideler, Dan (20 August 2010). Guns Illustrated 2011: The Latest Guns, Specs & Prices. F+W Media, Inc. ISBN 9781440216244 – via Google Books.
  7. ^ Carter, Gregg Lee (2006). Gun Control in the United States: A Reference Handbook. ABC-CLIO. p. 151. ISBN 9781851097609. Retrieved 24 August 2016. The most infamous example is the Bushmaster ...rifle that John Allen Muhammed and John Lee Malvo use in their October 2002 Washington D.D., killing spree.
  8. ^ Harrison, Judy (11 Nov 2004). "Colt's federal suit against rival firearm firm gets moved to Maine". Knight Ridder Tribune Business News. Bushmaster's XM-15 E2s "M4 type" carbine allegedly was used by John Allen Muhammad and has gained notoriety as the weapon used in the Washington, D.C., area sniper shootings, according to the complaint.
  9. ^ Lysiak, Matthew (23 Feb 2016). "Video of Adam Lanza Confirmed as Newtown Parents Sue". Newsweek. Newsweek LLC. Retrieved 23 February 2016.
  10. ^ Fantz, Ashley (20 June 2016). "Gun makers urge judge to toss Sandy Hook lawsuit". CNN. CNN LLC.
  11. ^ Terrill, Daniel (2016-02-22). "Remington tries for dismissal in Sandy Hook, Bushmaster case". Guns.com. Retrieved 23 February 2016.
  12. ^ a b Obbie, Mark (17 Feb 2016). "Will a Gun Manufacturer Be Held Liable for Sandy Hook?". The Atlantic. The Atlantic Monthly Group. Retrieved 23 February 2016.
  13. ^ Johnson, Alex. "Fate of Sandy Hook lawsuit against gun maker could be decided by a slingshot". NBC News. Retrieved May 2, 2018.
  14. ^ Collins, Dave (14 March 2019). "Court rules gun maker can be sued over Newtown shooting". AP News. The Associated Press. Retrieved 5 September 2019.
  15. ^ Collins, Dave. "States, politicians back gun-maker in Sandy Hook appeal". AP News. The Associated Press. Retrieved 5 September 2019.
  16. ^ Amir Vera (April 22, 2018). "Waffle House shooter was once arrested by Secret Service for trespassing near White House". CNN. Retrieved April 26, 2018.
  17. ^ a b Conflict Armament Research (September 2014). Islamic State Weapons in Iraq and Syria: Analysis of weapons and ammunition captured from Islamic State forces in Iraq and Syria (PDF). pp. 12–14.
  18. ^ Kaplan, Thomas (2013-01-15). "Tougher Gun Law in New York". The New York Times. ISSN 0362-4331. Retrieved 2016-09-14.
  19. ^ "Department of Emergency Services and Public Protection" (PDF).
  20. ^ "Connecticut Governor Signs Gun Measures". The New York Times. 2013-04-04.
  21. ^ "POTD: Brazilian Federal Police with Bushmaster XM15-E2S -". The Firearm Blog. 2 April 2019. Retrieved 23 July 2019.
  22. ^ https://www.police.govt.nz/news/release/1923
  23. ^ The politics of destroying surplus small arms : inconspicuous disarmament. Alpers, Philip. 2010. pp. 168–169. ISBN 978-0-415-49461-8.
  24. ^ Under the gun : the small arms challenge in the Pacific. Victoria University Press in association with the Peace and Disarmament Education Trust. pp. 64–65. ISBN 9780864734532.
  25. ^ "Fot. 12. 5,56-mm kbk M4A1 firmy Bushmaster (XM-15-E2S) z 40-mm granatnikiem... - Ireneusz Chloupek Special-Ops.pl - Portal Ludzi Akcji". Special-Ops.pl - Portal Ludzi Akcji (in Polish). Retrieved 23 July 2019.