Bushmaster XM-15

Bushmaster XM-15

Bushmaster XM15-E2S M4 Style Carbine

Bushmaster XM15-E2S M4 Style Carbine
Type Semi-automatic rifle/carbine/pistol
Place of origin United States
Production history
Manufacturer Bushmaster Firearms International
Weight 8.27 lb (3.75 kg) (20" barrel, without magazine) [1]
Length 38.25 in (97.2 cm) (20" barrel)
Barrel length 20 in (51 cm) (rifle), 16 in (41 cm) (carbine)

Caliber .223 Remington / 5.56×45mm NATO
Action Gas operated, direct impingement
Rate of fire Maximum effective rate 45 rounds per minute (semi-auto)[2]
Muzzle velocity 3,260 feet per second (990 m/s)
Effective firing range 600 yards (550 m)[2]
Maximum firing range 3,865 yards (3,534 m)[2]
Feed system STANAG magazines, typical capacity 30 rounds[3]
Sights A2-style front post and rear aperture iron sights on older models, MIL-STD-1913 rails on all 2016 production models[4]

The Bushmaster XM-15[4] series (formerly styled as XM15[2]) is a line of AR-15-pattern semi-automatic rifles, carbines, and pistols 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 V-Match[5] - Target variant with an anodized aluminum handguard, flat-top receiver and 20, 24 or 26-inch barrel.

E2S V-Match Carbine[5] - As above, but with a 16-inch carbine barrel.

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"), these are flat-top rifles without iron sights, provided with a simple 1x20 red-dot optic.

Patrolman Series

Patrolman's Pistol[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

Main article: Carbon 15


The Bushmaster XM-15 E2s "M4 type" carbine gained notoriety for its use in the October 2002 Beltway sniper attacks, according to Colt Defense.[7] It is infamous for being designed to avoid the 1994 Federal Assault Weapons Ban.[8]

Sandy Hook and aftermath

A Bushmaster XM15-E2S was used during the Sandy Hook Elementary School shooting.[9] Nine families(plaintiffs) of the 26 victims of the shooting filed a class action lawsuit in Connecticut against Bushmaster, Remington Arms and others(defendants) 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 allege that the XM15-E2S is only suitable for military and policing applications, and Bushmaster inappropriately marketed the firearm to civilians.[12] On April 14, 2016 a Connecticut court denied the defendants a motion to summarily dismiss the case,[13] with lawyers for the defense filing a second motion for dismissal a month later.[10] On October 14, 2016, the defendants' motion to strike(dismiss) the complaint(lawsuit) was granted. The judge ruled the complaint was not valid per Federal and Connecticut laws. The plaintiffs indicated they would appeal the ruling.[14][15][16][17]


As a result of the Sandy Hook school shooting:


  1. 1 2 3 4 McNab, Chris (2007). Sporting Guns: A Guide to the World's Rifles and Shotguns. Macmillan. p. 173. ISBN 0312368232.
  2. 1 2 3 4 5 Bushmaster XM15 operating manual, 1999 revision: statistics are for Bushmaster XM15-E2S
  3. 1 2 Bushmaster XM15 and Carbon 15 user manual, 2005 revision
  4. 1 2 3 4 Bushmaster Firearms 2016 sales brochure
  5. 1 2 3 4 5 Lee, Jerry (29 January 2016). "2016 Standard Catalog of Firearms: The Collector's Price and Reference Guide". "F+W Media, Inc." via Google Books.
  6. 1 2 3 Shideler, Dan (20 August 2010). "Guns Illustrated 2011: The Latest Guns, Specs & Prices". F+W Media, Inc via Google Books.
  7. 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.
  8. 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 assault rifle that John Allen Muhammed and John Lee Malvo use in their October 2002 Washington D.D., killing spree.
  9. Lysiak, Matthew (23 Feb 2016). "Video of Adam Lanza Confirmed as Newtown Parents Sue". Newsweek. Newsweek LLC. Retrieved 23 February 2016.
  10. 1 2 Fantz, Ashley (20 June 2016). "Gun makers urge judge to toss Sandy Hook lawsuit". CNN. CNN LLC.
  11. Terrill, Daniel. "Remington tries for dismissal in Sandy Hook, Bushmaster case". Guns.com. Retrieved 23 February 2016.
  12. 1 2 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. Gorman, Michele (14 April 2016). "Sandy Hook Lawsuit: Judge Rules Against Gun Companies". Newsweek. Newsweek LLC. Retrieved 14 April 2016.
  14. Brennan, Christopher (14 Oct 2016). "Conn. judge dismisses Sandy Hook families' lawsuit against gunmaker". Daily News. NY Daily News. Retrieved 14 Oct 2016.
  15. Mason, Melvin (14 Oct 2016). "Sandy Hook families' lawsuit thrown out". FCIAC Network. Stratford Star. Retrieved 14 Oct 2016. In her 54-page ruling, Bellis said the allegations “do not fit within the common-law tort of negligence entrustment under well established Connecticut law, nor do they come within the PLCAA [Protection of Lawful Commerce in Arms Act]’s definition of negligent entrustment.”
  16. "Memorandum of Decision". 14 October 2016.
  17. Reuters (2016-10-14). "Connecticut Judge Dismisses Sandy Hook Families' Suit Against Gunmaker". The New York Times. ISSN 0362-4331. Retrieved 2016-10-15.
  18. Kaplan, Thomas (2013-01-15). "Tougher Gun Law in New York". The New York Times. ISSN 0362-4331. Retrieved 2016-09-14.
  19. http://www.ct.gov/despp/lib/despp/slfu/firearms/assault_weapons.pdf
  20. http://www.nytimes.com/2013/04/05/nyregion/connecticut-lawmakers-pass-gun-limits.html

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