This drop-in A3 upper will mount to virtually any standard AR-15 mil-spec lower receiver.
This upper receiver assembly comes complete with a charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. The upper 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 Material: Chrome Moly Steel
- Muzzle Thread Pattern: 11/16"-24
- Chrome Lined: Yes
- Barrel Finish: Black Matte
- Twist Rate: 1 in 24"
- Chamber: 450 Bushmaster
- Muzzle Device: Izzy Muzzle Brake
- Gas System Length: Carbine
- Handguard: Free Float
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Extras: 5-round magazine