This BCA AR-15 complete 7.62x39 rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower.
Featuring a 7.62x39 enhanced firing pin for increased reliability for steel cased ammo and upgraded bolt.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||5/8 x 24|
|Feed Ramp||.300 Blackout|
|Gas Block System||0.750|
|Gas Hole Diameter||0.093|
|Charging Style||Rear Charging|
|Classification||Complete Upper Assembly|