12.7 x 42 (.50 Cal) Caliber upper for AR-15 NEW in Box  No FFL needed.

No Fee For Credit Card - Shipping is an extra 15 dollars  or Local Pick up is ok as well

The Upper includes a 15” MLOK Rail, an M4 flat-top billet upper receiver with forwarding assist, a BCA Bolt Carrier Group, an LS2 Flash Hider, and a side Charging Handle. It is chambered in 12.7 x 42 (.50 Cal) and machined with a single feed ramp in the barrel extension. 16” Heavy Barrel 4150 Chrome Moly Vanadium Parkerized Finish 1:20 Twist 15” MLOK Rail 12.7 x 42 (.50 Cal) Carbine Length Gas System M4 Flat-Top Billet Upper Receiver Standard Bear Creek Arsenal Bolt Carrier Group Charging Handle LS2 Flash Hider