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Bushmaster XM-15
Photo: Mika Järvinen · Wikimedia Commons · CC BY 2.0
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BushmasterXM-15

Semi-Automatic Rifles · United States · 1980
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BushmasterXM-15

Bushmaster XM-15
Bushmaster XM-15 Photo: Mika Järvinen · Wikimedia Commons · CC BY 2.0
* Absolute score — assessed within category · no era adjustment
Accuracy
74
Effective Range
73
Rapid Follow-Up
81
Reliability
85
Stopping Power
62
Ergonomics
79
Magazine Capacity
83
Build Quality
78
Versatility
69
Cost-Effectiveness
71
Origin United States
CategorySemi-Automatic Rifles
EraCold War
In service1980
Operators9 countries
Data Quality87%
MASS(Military Archive Scoring System)
76
Semi-Automatic Rifles MASS Rating
2/14
Cold War
11/82
All-Time
Semi-Automatic Rifles · 10 axes scored
Accuracy
74
Effective Range
73
Rapid Follow-Up
81
Reliability
85
Stopping Power
62
Ergonomics
79
Magazine Capacity
83
Build Quality
78
Versatility
69
Cost-Effectiveness
71
ⓘ Regardless of era, the same scoring system applies to all units in the semi-automatic rifles category.
01 / Overview
Bushmaster XM-15
Production
1980–
Operators
Conflicts

By the early 2000s, one small Maine gunmaker was outselling every other AR-15-pattern rifle manufacturer in the United States combined, and the rifle behind that dominance was the Bushmaster XM-15.4 Built by Bushmaster Firearms International, the Bushmaster XM-15 is a semi-automatic, gas-operated rifle chambered for 5.56x45mm NATO and the closely related .223 Remington, built to the same upper and lower receiver interface Eugene Stoner drew up for ArmaLite in the 1950s.1 It belongs to the wider AR-15-style rifle pattern, a category that itself sits inside the semi-automatic rifles leaf alongside older designs like the Colt AR-15 it directly competed against.

Strengths
  • mil-spec parts interchangeability across the wider AR-15-pattern market
  • light recoiling 5.56mm cartridge, easy to shoot fast follow-up shots
  • wide model range from full rifle to pistol-length configurations
  • direct impingement gas system fouls the bolt carrier faster than piston rivals
  • no legal right to the *AR-15* trademark itself, Colt still owns that name
  • corporate ownership history (Cerberus, Remington bankruptcy) left a 2020-2021 production gap

The Bushmaster XM-15 was never a licensed Colt product. Colt's Manufacturing Company kept the AR-15 trademark and its core rifle patents after buying the design from ArmaLite in 1959, but those patents expired in 1977, opening the same basic rifle mechanism to any manufacturer willing to build to the shared magazine and receiver dimensions.1,6 Bushmaster was one of the earliest companies to do so, introducing its own AR-15-pattern XM-15 line in the 1980s once that door opened, entirely independent of Colt's own production and trademark.1

Bushmaster XM-15 specifications, Bushmaster XM-15 price, and how the Bushmaster XM-15 compares with the Colt AR-15 or Ruger AR-556 are among the most searched questions about the rifle, largely because Bushmaster spent nearly a decade as the best-selling name in the American AR-15-pattern market before a string of corporate sales and bankruptcies complicated its ownership.4,15 Is the Bushmaster XM-15 still in production today? Yes, under a company revival that took the Bushmaster name back to Nevada in 2021 after Remington's bankruptcy, a history covered in full below.5

💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
SEMI-AUTOMATIC RIFLES · COLD WAR
2
PERFORMANCE/PRICE
77
UNIT COST (2025 USD)
—
76
semi-automatic rifles category
ⓘ Performance/Price and MASS score are computed across all units in the semi-automatic rifles category, regardless of era.
02 / Specs & Design

The Direct Impingement System Bushmaster Inherited From Stoner

The Bushmaster XM-15 uses the same gas-operated direct impingement system as every standard AR-15-pattern rifle, tapping propellant gas from a port partway down the barrel and routing it through a steel tube straight back into the rotating bolt carrier, cycling the action without a separate piston or operating rod.1,2 The rotating bolt locks into an extension machined into the rear of the barrel rather than into the receiver itself, the same mechanical arrangement that lets any AR-15-pattern upper assembly separate from its lower without disturbing barrel headspace.

◎General4MOD.4
  • First Production Year1980
  • Weight (Empty)3.75 kg
  • Currently In ServiceYes
  • Notable UsersUnited States civilian/law enforcement, New Zealand Police, Brazilian Federal Police, Papua New Guinea police and defense force

Bushmaster's own receivers are forged from 7075-T6 aircraft-grade aluminum, and its barrels are hard chrome lined 4150 alloy steel on most production models, with 416 stainless steel offered on some target-oriented XM-15 configurations.1 That chrome lining resists the corrosion and throat erosion that heavy shooting causes in an unlined bore, a detail Bushmaster's own sales literature and independent gunsmith reviews both flag as a meaningful build-quality choice rather than a cosmetic one.9

◈Cartridge & Calibre5MOD.5

A standard 20 inch rifle-length Bushmaster XM-15 weighs about 8.27 lb (3.75 kg) unloaded and measures 38.25 in (97.2 cm) overall, while carbine-length 16 inch models run noticeably lighter, closer to the 7 lb range typical of other AR-15-pattern carbines.1 Most current-production barrels use a 1 turn in 9 inch twist rate, tuned for the common 55 to 62 grain 5.56mm loadings, though Bushmaster's flat-top QRC carbine uses a faster 1 in 8 inch twist to stabilize heavier bullets out to 77 grains.1,9

▣Operation7MOD.7

STANAG Magazines and the Bushmaster Model Family

STANAG pattern 30 round detachable magazine for AR-15
A 30-round STANAG-pattern box magazine, the detachable magazine standard shared across nearly every AR-15-pattern rifle regardless of manufacturer. 📷 Photo: M62 · Wikimedia Commons · CC BY-SA 3.0

Every Bushmaster XM-15 feeds from the same detachable magazine well as every other AR-15-pattern rifle, standardized around a 30-round STANAG-pattern box magazine that Bushmaster did not design and does not control, since the pattern traces back to a NATO working group's 1980 magazine standard built on the U.S. military's original M16 magazine.7 That shared magazine interface, more than any single Bushmaster engineering decision, is what let the company compete directly against Colt without paying any licensing fee once Colt's patents lapsed.

◇Ballistics3MOD.3
  • Muzzle Velocity994 m/s
  • Effective Range (point)549 m
  • Maximum Range3,535 m

Barrel length varies enormously across the XM-15 catalogue, from the original 20 inch rifle-length model down to 16 inch carbines, 14.5 inch welded-muzzle-brake Shorty AK configurations, and 7 to 10.5 inch pistol-length Patrolman models built without a shoulder stock.1 Muzzle velocity runs around 3,260 ft/s (994 m/s) from the 20 inch barrel and closer to 3,100 ft/s (945 m/s) from a 16 inch carbine, with a cited effective range near 600 yards (549 m) and a maximum projectile range near 3,865 yards (3,535 m) for standard 5.56mm loadings.1

◆Barrel & Sights1MOD.1
  • Rifling Twist1 in 9 in (229mm), 1 in 8 in on QRC models
SpecBushmaster XM-15 (rifle-length)Colt AR-15 (LE6920-pattern carbine)
Cartridge5.56x45mm NATO / .223 Rem15.56x45mm NATO / .223 Rem
Barrel length20 in (508mm)116.1 in (409mm)
Weight (empty)8.27 lb / 3.75 kg16.95 lb / 3.15 kg
Magazine capacity30 rounds130 rounds
Typical MSRP (base model)roughly $900 to $1,00011roughly $1,000 to $1,300
▤Construction5MOD.5
▲Production & Cost3MOD.3
  • Production Start1980
  • Unit Cost950 USD
  • Variants8
03 / History

From Gwinn Firearms to a Maine AR-15 Maker

The company that became Bushmaster Firearms started as Gwinn Firearms Company, founded around 1972 by retired U.S. Army Special Forces captain Mack Gwinn Jr. to commercialize a prototype survival carbine for Air Force aircrews, a rifle combining AR-15 features with a long-stroke gas piston borrowed from Kalashnikov-pattern designs.3 Gwinn Firearms went bankrupt within a year. In 1973, Quality Parts Company bought the failing operation, kept selling the piston-driven design as the civilian Bushmaster Arm Pistol, and rebranded itself Bushmaster Firearms.3

Businessman Richard Dyke bought the bankrupt Bushmaster operation in 1976 for a reported $241,000 and moved it from Bangor, Maine, to Windham, Maine.3,4 Under Dyke, Bushmaster abandoned the original piston-pistol design in the early 1980s and switched entirely to standard AR-15-pattern rifle production, launching the XM-15 line once Colt's core patents had expired.1,4

⚡ FIRSTS
1980
First Bushmaster-brand AR-15-pattern rifleBushmaster Firearms, under Richard Dyke's ownership in Windham, Maine, begins building its own XM-15 line once Colt's core AR-15 patents lapse in 1977.[^1][^4]

Windham's Rise, Cerberus, and a Landmark Trademark Case

By 2003, Bushmaster's Windham factory reported annual revenue above $100 million and had captured more than half of the entire AR-15-pattern civilian rifle market, outselling its ten largest competitors combined.4 Output reached roughly 9,000 rifles a month by the mid-2000s, close to 100,000 units a year, built from a company Dyke had bought for a fraction of that annual output two decades earlier.4,14

Dyke sold Bushmaster in 2006 for $70 million to Cerberus Capital Management, which folded it into the Freedom Group holding company alongside Remington Arms, later renamed Remington Outdoor Company in 2015.2 The following year, Bushmaster found itself on the winning side of a landmark trademark ruling. Colt Defense LLC sued Bushmaster and Heckler & Koch in 2004 over their use of the term M4 on carbine-length rifles, and in 2007 the First Circuit Court of Appeals ruled that M4 was a generic term for a class of carbine that Colt could not exclusively trademark, a decision that still shapes how every AR-15-pattern manufacturer markets carbine-length models today.8

◆ On the Record
01Richard Dyke bought the bankrupt Bushmaster operation for roughly $241,000 in 1976 and built it into a business reportedly worth $76 million within three decades.4
02The 2007 Colt Defense LLC v. Bushmaster Firearms, Inc. ruling stripped Colt of any exclusive trademark claim to the term M4, a term now used generically across the entire AR-15-pattern industry.8
··More info coming soon
··More info coming soon
🎬 ON SCREEN1references
1998
He Got Game
Film

A Bushmaster XM15 fitted with a target scope appears as a prison guard's rifle in the 1998 film He Got Game, one of the earliest identifiable on-screen appearances of the Bushmaster line specifically rather than a generic AR-15 prop.13

Two Lawsuits That Reshaped Firearms Industry Liability Law

A rifle from Bushmaster's own product line was used in the October 2002 Beltway sniper attacks, and the resulting lawsuit became one of the two most consequential pieces of American gun litigation of the past 25 years. Investigators traced the rifle to Bull's Eye Shooter Supply, a Washington state dealer with a documented record of missing inventory and poor sales recordkeeping.17 Victims' families sued both the dealer and Bushmaster under a negligent entrustment theory, arguing Bushmaster kept supplying a dealer it knew or should have known was mishandling its stock, and in 2004 the two defendants settled for a reported $2.5 million.17

Congress responded in 2005 with the Protection of Lawful Commerce in Arms Act, which grants firearms manufacturers broad immunity from lawsuits over criminal misuse of their products, closing off the legal theory that had reached Bushmaster over the Beltway sniper case.17 That immunity held for years until the December 2012 Sandy Hook Elementary School shooting, carried out with a different Bushmaster XM-15-pattern rifle, produced a second landmark case, Soto v. Bushmaster. Plaintiffs' attorneys built their case around Connecticut's unfair trade practices statute rather than a straightforward negligence claim, arguing Bushmaster's marketing itself violated state law in a way the federal immunity act did not shield, and in February 2022 Remington's insurers agreed to pay $73 million to settle the case, the first successful attempt to route around the 2005 federal shield through a state consumer-protection claim rather than overturn it directly.18

Bankruptcy, a Contested Auction, and the 2021 Revival

Freedom Group closed Bushmaster's original Windham, Maine plant in March 2011, prompting Dyke, by then out of Bushmaster entirely, to found a separate company called Windham Weaponry in the same town to re-employ the workers who lost their jobs.2 Bushmaster's own production continued elsewhere under Remington Outdoor Company until January 2020, when Remington announced it would stop making Bushmaster-branded firearms altogether.2

Remington Outdoor Company filed for bankruptcy for a second time in July 2020, and its assets were broken up and auctioned that September.2 The Bushmaster trademarks and technical data package went to Nevada-based Franklin Armory Holdings, Inc. for a reported $1.7 million, though some reporting on the same 2020 auction instead names an entity called Crotalus Holdings, Inc. as the buyer, a discrepancy that has not been fully reconciled in public records.2,12 By August 2021, the revived company, operating as Bushmaster Firearms International out of Minden, Nevada, had resumed production of the XM15-E2S line alongside the 450 Bushmaster, ACR, and BA50 product families, and it continues to hold an active federal firearms license there today.2,12

04 / Conflicts
BUSHMASTER XM-15 · CONFLICTS SERVED IN33% win·33% loss
Total Conflicts
3
Victories
1
Ongoing
0
Losses
1
ⓘ Shown only from conflicts recorded in our database.

Georgia's 2007 Purchase and the 2008 War With Russia

Georgia bought several thousand Bushmaster XM-15E3 and M4-type carbines in 2007 as part of a U.S. security assistance program ahead of the Russo-Georgian War.10 When forces from Russia and South Ossetian separatists routed Georgian units during the brief August 2008 war, they captured a number of these rifles intact and photographed them as war trophies, images Russian state media circulated widely at the time.10

Some of those captured Bushmaster carbines were later put on display in Russian military exhibits rather than issued for further use, which is why any record of Russian possession reflects captured stock rather than a genuine procurement relationship.10 The episode left the Bushmaster XM-15 as one of relatively few American commercial AR-15-pattern rifles with a documented conventional battlefield capture history, as opposed to the far more common route of civilian or law enforcement use.

Islamic State Captures in Iraq and Syria

Conflict Armament Research documented a Bushmaster-made semi-automatic rifle among weapons captured from Islamic State fighters north of the Sinjar Mountains in Iraq in August 2014, during the group's advance in the Islamic State invasion of Iraq.9 The same investigation and parallel field surveys found similar American-made AR-15-pattern rifles, including Bushmaster examples, circulating among factions in the Syrian Civil War in Syria as the conflict against Islamic State spread across the Iraqi-Syrian border region.9

These captures do not reflect any direct sale to Islamic State. Investigators generally traced weapons like these back to earlier transfers to Iraqi security forces or regional partner militaries, later lost, captured, or black-market traded into insurgent hands, a pattern common to most Western small arms recovered from that conflict.9

05 / Variants

The Bushmaster XM-15 name covers a wide factory model range rather than a small set of fixed configurations, since Bushmaster has long sold barrel length, sight, and furniture options as separate catalog entries under the same core XM-15 platform.

Bushmaster Carbon 15 rifle with polymer receiver
The Bushmaster Carbon 15, a lightweight composite-frame sibling to the XM-15 built on the same magazine and lower receiver interface. 📷 Photo: Rizuan (talk) · Wikimedia Commons · CC BY-SA 3.0
  • XM-15 E2S, the core factory line spanning 16 inch carbines, 20 to 26 inch target rifles, the 16 inch rifle-length-handguard Dissipator, and the welded-muzzle-brake Shorty and Shorty AK carbines.1
  • XM-15 ORC (Optics Ready Carbine) and QRC (Quick Response Carbine), flat-top models built without fixed iron sights, the QRC shipping with a 1x20 red-dot optic and a faster 1 in 8 inch twist melonite-coated barrel for heavier bullet weights.1
  • XM-15 Patrolman pistol models, built on a 7 or 10.5 inch barrel without a shoulder stock, marketed to law enforcement agencies alongside select-fire versions restricted to government sale.1
  • The Carbon 15, a separate, lighter Bushmaster product built around a carbon-fiber-reinforced polymer upper and lower rather than the XM-15's forged aluminum receivers, sharing the same magazine well and trigger group.
  • The select-fire Bushmaster M4 Type Carbine, restricted to military and law enforcement sale and documented separately in the carbines leaf, since federal law has barred new civilian sale of any select-fire rifle since 1986.
06 / Operators
Bushmaster XM-15SALES1records
YearBuyerQuantityAmountPresent Value (2025)
2007Georgia———
ⓘ "Present Value" is an estimated amount adjusted for inflation.

The Bushmaster XM-15's largest user base by far is the American civilian market, spanning hunting, home defense, and target shooting, alongside a wide range of United States municipal and county law enforcement agencies that issue Bushmaster-made carbines as patrol rifles.1 Outside the United States, New Zealand Police, the Federal Police of Brazil, and Papua New Guinea's police and defense force inventories are documented users of Bushmaster-made AR-15-pattern carbines.1

Papua New Guinea's experience also illustrates a recurring weak point of police-issued AR-15-pattern rifles in weaker-institution settings. Independent audits of Papua New Guinean police armories have repeatedly found the AR-15-pattern carbine, Bushmaster-made examples among them, to be the single most frequently lost or stolen category of weapon from official police stocks, feeding a wider small-arms proliferation problem in the country's Southern Highlands.16

07 / MASS Score

Bushmaster and Colt spent the 1990s and 2000s competing for the same AR-15-pattern buyer with almost identical core rifles and very different pitches. A Colt AR-15 trades on the trademark itself and Colt's decades of active military and law enforcement contracts, while the Bushmaster XM-15 built its market position on price and simple availability, a strategy that let Bushmaster's Windham, Maine factory outsell Colt's own AR-15 line for years before either company's corporate ownership grew complicated.4,15

Mechanically, the two rifles converge almost completely, since both build to the same STANAG magazine well, the same direct impingement gas system, and the same forged 7075-T6 aluminum receiver dimensions. What separated a Bushmaster XM-15 from a Colt AR-15 on a dealer's shelf was rarely the rifle's function and far more often barrel finish choices, included accessories, and brand-driven resale value, the same pattern seen across nearly every AR-15-pattern rifle on the market.1,15

MASS Score · BUILD_QUALITY · ComparisonSemi-Automatic Riflesmethodology ↗
Bushmaster XM-15THIS WEAPON
78

Bushmaster's corporate history has been rockier than Colt's in the last decade. Where Colt weathered its own 2015 bankruptcy and a 2021 sale to Ceska Zbrojovka Group while continuing uninterrupted AR-15 production, Bushmaster's parent Remington Outdoor Company collapsed entirely in 2020, leaving a genuine production gap before the Bushmaster name returned under new ownership in 2021, a disruption Colt's own AR-15 line never experienced.2,5

08 / Frequently Asked Questions

Is the Bushmaster XM-15 the same rifle as the Colt AR-15? No. Both are AR-15-pattern rifles built to the same magazine and receiver dimensions, but Bushmaster has never held a Colt license. Bushmaster began building its own XM-15 line independently once Colt's core patents expired in 1977.1,6

How much does a Bushmaster XM-15 cost? Base XM-15 models have typically retailed for roughly $900 to $1,000 in recent years, with target, optics-ready, and pistol configurations running higher depending on barrel, sight, and furniture options.11

What caliber does the Bushmaster XM-15 use? The Bushmaster XM-15 is chambered for 5.56x45mm NATO and the closely related .223 Remington cartridge, the same chambering used across nearly the entire AR-15-pattern rifle category.1

Is the Bushmaster XM-15 still in production? Yes, though not continuously. Remington Outdoor Company stopped making Bushmaster-branded rifles in January 2020 and collapsed into bankruptcy that year, but the Bushmaster name and XM15-E2S line resumed production under Bushmaster Firearms International in Minden, Nevada, in August 2021.2,12

Who makes Bushmaster rifles now? Bushmaster Firearms International, based in Minden, Nevada, currently manufactures the Bushmaster XM-15 line after acquiring the Bushmaster trademarks out of Remington Outdoor Company's 2020 bankruptcy auction.2,12

📖 TERMS ON THIS PAGE2terms
A firearm feed system where ammunition is stored in a separate container (magazine) that can be removed and replaced, enabling rapid reloading.
Firearm action type where expanding gas from a fired cartridge cycles the mechanism, typically via a piston or direct impingement.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
  1. "Bushmaster XM-15", Wikipedia — en.wikipedia.org ↩
  2. "Bushmaster Firearms International", Wikipedia — en.wikipedia.org ↩
  3. "The Unique Journey of Gwinn Firearms to Bushmaster", SOFX — sofx.com ↩
  4. "How a Maine Businessman Made the AR-15 Into America's Best-Selling Rifle", ProPublica — propublica.org ↩
  5. "Bushmaster Announces a Comeback", Guns.com — guns.com ↩
  6. "When did the patent expire on AR-15?", The Gun Zone — thegunzone.com ↩
  7. "AR-15-style rifle", Wikipedia — en.wikipedia.org ↩
  8. "Colt Defense LLC v. Bushmaster Firearms, Inc.", FindLaw — caselaw.findlaw.com ↩
  9. "Weapons of the Islamic State", Conflict Armament Research — conflictarm.com ↩
  10. "A Georgian Bushmaster M4", The Firearm Blog — thefirearmblog.com ↩
  11. "BUSHMASTER XM 15 New and Used Price, Value, & Trends", TrueGunValue — truegunvalue.com ↩
  12. "Results of Remington Bankruptcy Auction are In, Who Gets What?", AmmoLand — ammoland.com ↩
  13. "Bushmaster XM-15 Rifle Series", Internet Movie Firearms Database — imfdb.org ↩
  14. "How a Maine businessman made the AR-15 America's best-selling gun", CT Mirror — ctmirror.org ↩
  15. "50 Years Of Bushmaster Firearms", American Rifleman — americanrifleman.org ↩
  16. "Gun-running in Papua New Guinea, From Arrows to Assault Weapons in the Southern Highlands", JSTOR — jstor.org ↩
  17. "Protection of Lawful Commerce in Arms Act", Wikipedia — en.wikipedia.org ↩
  18. "Sandy Hook shooting, The unprecedented $73M settlement with gunmaker Remington", CBS News — cbsnews.com ↩
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