This BCA AR-10 Complete Upper has a 20″ Straight Fluted Mid Weight barrel with a Stainless Steel finish, and features a 1:10 Twist Rate, a Rifle length gas system. It includes a 15 1/4″ MLOK Rail, an M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a Charging Handle. It is chambered in .308.
- Weight: 4.6000
- Length: 20
- Profile: Mid Weight
- Twist: 1:10
- Finish: Stainless
- Material: 416R Stainless Steel
- Thread Pitch: 5/8 x 24
- Caliber: .308
- Feed Ramp: AR-10
- Flutes: Straight Flutes
- Gas System: Rifle
- Gas Block System: 0.750
- Gas Hole Diameter: 0.086
- Charging Style: Rear Charging
- Platform: AR-10
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