7.62x39 10.5" Parkerized Heavy Barrel 1:10 Twist Carbine Length Gas Syst

This Bear Creek Arsenal AR-15 Complete 7.62x39 Slick Side pistol length upper has a 10.5" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a Carbine length gas system. It includes a 10 5/16" MLOK rail, a M4 flat-top 7075 billet aluminum upper receiver, a BCA Bolt Carrier Group, Flash Hider, and a rear charging handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower. This Slick Side upper has no forward assist or dust cover. Featuring a 7.62x39 enhanced firing pin for increased reliability for steel cased ammo and upgraded bolt. Bear Creek Arsenal manufactures all AR-15 rifles, complete upper assemblies, barrels, bolt carrier groups (bcg), and components in-house here in Sanford, NC. Choose an American-made AR-15 complete upper assembly from Bear Creek Arsenal, designed for high accuracy and backed by a lifetime warranty. We recommend ASC magazines and Wolf 122gr. (Winchester 123gr., American Eagle 124 gr.) ammo. Specifications: Weight: 4.0 Length: 10.5" Profile: Heavy Barrel Twist: 1:10 Finish: Parkerized Material: 4150 Chrome Moly Vanadium Thread Pitch: 5/8 x 24 Caliber: 7.62x39 Feed Ramp: .300 Blackout Flutes: None Gas System: Carbine Gas Block System: 0.750 Gas Hole Diameter: 0.093 Charging Style: Slick Side Rear Charging Classification: Complete Upper Assembly Platform: AR-15 Threaded: Threaded