Colt AR-15

Colt AR-15
Complete AR-15A2 rifle set with manual, 5.56 mm ammunition and magazines
TypeSemi-automatic rifle
Automatic rifle
Place of originUnited States
Production history
DesignerEugene Stoner, Jim Sullivan, Bob Fremont
ManufacturerColt
No. built2 million +
Variantssee List of Colt AR-15 & M16 rifle variants
Specifications
Barrel length
  • 20 inches (510 mm) (standard)
  • 16 inches (410 mm) (carbine)
  • 24 inches (610 mm) (target)
Cartridge
ActionGas-operated, closed rotating bolt, Stoner bolt and carrier piston
Effective firing range~550 meters (600 yd)
Feed systemIssued with 5-, 10-, 20- & 30-round STANAG magazines
Sights
  • Fixed adjustable front and rear iron sights
  • Detachable carrying handle with adjustable rear iron sight assembly
  • Picatinny rails, which allows the use of various scopes and sighting devices

The Colt AR-15 is a product line of magazine-fed, gas-operated, semi auto rifle manufactured by Colt's Manufacturing Company ("Colt") in many configurations. The rifle is a derivative of its predecessor, the lightweight ArmaLite AR-15, an automatic rifle designed by Eugene Stoner and other engineers at ArmaLite in 1956.

Colt currently owns the AR-15 trademark and uses it for its line of semi-automatic AR-15 rifles.

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