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.
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