BCA AR-15 Complete Upper Assembly, 16" Black Nitride 4150 Steel Contour Barrel, 5.56 NATO, 1:7 Twist, w/ Standard Hand Guard, Gas Block
- 16" Black nitride 4150 Chrome Moly Vanadium Barrel w/ 1:7 Twist
- Standard Hand Guard
- 5.56 NATO Caliber
- M4 Flat Top Upper Receiver
- Carbine Length Gas System, .750 Diameter Low Profile Gas Block
- BCA Standard BCG with proprietary BCA AKM Bolt
- Charging Handle
- Bird Cage Flash Hider
5.56 Upper Assembly, Standard Hand Guard, 16 Inch Black Nitride Barrel Bolt carrier group and charging handle included this upper assembly is Bear Creek arsenal ' s standard it features a mill spec upper, 1:7 twist parkerized barrel and is chambered 5.56 NATO. The BCA Brown Bear is the perfect upper for your next build.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Gas Block System||0.750|
|Charging Style||Rear Charging|
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