This A2 upper receiver comes complete with charging handle, bolt carrier assembly, fully adjustable rear sight, A2 front sight with sling swivel, fixed carry handle, bayonet lug and threaded muzzle with A2 birdcage flashhider. The 20" button rifled barrel is chambered for 5.56mm NATO and comes with a 1 in 9" twist rate for accuracy with a wide range of bullet weights. Ready to install on any normal AR-15 lower receiver. Lifetime factory warranty.
Upper Receiver Type: A2 Upper
Barrel Length: 20"
Barrel Contour: Not listed by manufacturer
Barrel Material: 4140 Chrome Moly Steel
Muzzle Thread Pattern: 1/2"-28
Chrome Lined: No
Barrel Finish: Black Matte
Twist Rate: 1 in 9"
Chamber: 5.56x45mm NATO
M4 Feed Ramps: Yes
Muzzle Device: A2 Flash Suppressor
Gas System Length: Rifle
Gas Block Diameter: .750"
Handguard: M4 Polymer Handguards
Sights: A2 Front Sight, Adjustable A2 Rear Sight
Bolt Carrier Assembly Included: Yes
Bolt Carrier Type: Commercial
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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