This drop-in A3 upper will attach to virtually any standard AR-15 lower receiver. Comes complete with a charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. Also features a versatile flat top for mounting optical devices or accessories. Includes a 5 round magazine.
Upper Receiver Type: A3 Flat-Top
Barrel Length: 16"
Barrel Contour: Not listed by manufacturer
Barrel Material: Chrome Moly Steel
Muzzle Thread Pattern: Not listed by manufacturer
Chrome Lined: Yes
Barrel Finish: Black Matte
Twist Rate: 1 in 24"
Chamber: 450 Bushmaster
M4 Feed Ramps: Not listed by manufacturer
Muzzle Device: Izzy Muzzle Brake
Gas System Length: Carbine
Gas Block Diameter: Not listed by manufacturer
Handguard: Free Float
Bolt Carrier Assembly Included: Yes
Bolt Carrier Type: N/A
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.
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