AIM Sports Inc Complete Rifle Build Kit AR-15 5.56x45mm NATO 16-inch Barrel Mid-Length Gas Tube Low Profile Gas Block Black Hardcoat Anodized Aluminum. Specifications for AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG LPK & Mil Spec Stock...
AIM Sports Inc Complete Rifle Build Kit AR-15 5.56x45mm NATO 16-inch Barrel Mid-Length Gas Tube Low Profile Gas Block Black Hardcoat Anodized Aluminum. Specifications for AIM Sports Inc Complete AR-15 16in Upper Receiver W/ BCG LPK & Mil Spec Stock...