Description
This Bear Creek Arsenal AR-15 12.7x42 Complete upper has a 16" heavy barrel with a 416R stainless steel finish, and features a 1:20 twist, with a carbine length gas system. This 12.7x42 AR-15 also includes a 15" MLOK rail, a forged upper receiver, a BCA AR15 Bolt Carrier Group, Flash Hider, rear charging handle, and will work on a mil-spec AR-15 multicaliber lower.
More Information
SKU 9072N-UA127X42CHB16120SS-15M3
Weight (lbs) 6.000000
Magazine Capacity N/A
Barrel Length 16
Profile Heavy Barrel
Twist 1:20
Barrel Finish Stainless Steel
Material 416R Stainless Steel
Thread Pitch 49/64 x 20
Caliber 12.7 x 42
Feed Ramp Single
Flutes Non-fluted
Gas System Carbine
Gas Block System 0.936
Charging Style Rear Charging
Classification Complete Upper Assembly
Platform AR-15
Bolt Material E9310
Receiver Material Forged
