Carbon 15

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For the radioisotope, see isotopes of carbon.
Carbon 15
Type Pistol / Carbine / Rifle
Place of origin  United States
Production history
Manufacturer Bushmaster Firearms International, LLC
Variants 9mm Pistol, Type 21/21S Pistol, Type 97/97S Pistol, Type 97S Rifle, 9mm Carbine, Top Loading Carbine, Flat-Top Carbine, .22 Rimfire Rifle, Model 4, Type R21 Rifle
  • 1.31 kg (2.88 lb) (Type 97 Pistol)
  • 1.81 kg (4 lb) (Type R21 Rifle)
  • 20 in (50.8 cm) (Type 97 Pistol)
  • 35 in (88.9 cm) (Type R21 Rifle)
Barrel length
  • 7.25 in (18.42 cm) (Type 97 Pistol)
  • 16 in (40.6 cm) (Type R21 Rifle)

Muzzle velocity 1,750 feet (530 m)/s[1]
Feed system Various STANAG Magazines.
Sights iron/optical

The Carbon 15 is a family of lightweight, magazine-fed pistols, carbines, and rifles developed by defunct USA weapons manufacturer Professional Ordnance, with the design picked up after some time by current manufacturer Bushmaster Firearms.


The Carbon 15 line of weapons[2][3] are closely based on the ArmaLite AR-15 design. They are distinguished by their carbon fiber construction, which provides an extremely lightweight frame, which is also extremely durable; chemical, water, and heat resistant. The Carbon 15 line are generally 5.56 caliber weapons, however there are 9mm versions of the Carbon 15 pistol[4] and carbine.

Early in 2009 Bushmaster, the primary manufacturer of Carbon-15 pistols/rifles, has begun to include the ejection port dust cover and forward assist in their Carbon-15 M4 rifles.



See also[edit]