AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake, Left Hand

300 Blackout

AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake, Left Hand

AR-15 300 AAC BLK 10.5" Nitro-Met Quadrail Upper Assembly with Socom Style Brake, Left Hand -
is a perfect addition to your AR-15 build. All you need is a case of ammo to change your standard AR 5.56 to a new 300 Blackout upper.

Assembly Features:

• Chamber - 300 AAC

• Barrel Twist - 1x7

• Barrel Thread - 5/8 x 24

• Barrel Steel - 4150 Chrome Moly with Nitro-Met coating, CNC machined, M4 feedramps

• Muzzle Brake - AR-15 Gen 2 Micro Reverse Thread slip over Socom style fake suppressor

• Handguard - Mid Length Hardcoat Anodized Qaud Free Float (rail style may have variations in design based on stock availability, the same excellent quality)

• Gas Block - .750 Low Profile steel gas block, hardcoat anodized; pistol gas system 

• Upper Receiver - A3 Flat-Top Upper, made from certified 7075-t6 aluminum forgings. Black hardcoat anodized to gov. specs; assembled. Left Hand

• Bolt Carrier Group - Not Included

• Charging Handle - Not Included