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.
SpecificationsSKU: 686N-UA762CHB16110P-15M3Weight: 5.800000Magazine Capacity: N/ALength: 16Profile: Heavy BarrelTwist: 1:10Finish: ParkerizedMaterial: 4150 Chrome Moly VanadiumThread Pitch: 5/8 x 24Caliber: 7.62x39Feed Ramp: .300 BlackoutFlutes: NoneGas System: CarbineGas Block System: 0.750Gas Hole Diameter: 0.093Charging Style: Rear ChargingClassification: Complete Upper AssemblyPlatform: AR-15Threaded: Threaded