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.
Adjustable A2 rear sight
Bolt carrier assembly
20" button rifled barrel in 4140 chrome moly steel
A2 front sight with sling swivel and bayonet lug
Threaded muzzle with A2 flash suppressor
Olympic chambers this upper to 5.56 NATO specifications Note: Fully assembled
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