This Bear Creek Arsenal 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 1/4" MLOK rail, a M4 flat-top billet upper receiver, a BCA Bolt Carrier Group, Flash Hider, and a gen 2 right side charging handle (patent pending). This 7.62x39 upper is compatible with any mil-spec AR-15 lower. This has the new handguard and a spiral flash hider.
Featuring a 7.62x39 enhanced firing pin for increased reliability for steel cased ammo and upgraded bolt.
|Color ||Olive Drab Green|
|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||Right Side Charging|
|Classification||Complete Upper Assembly|