Battle Arms Development WORKHORSE 15in Rail and .750 Gas Block Kit Fits AR-15 Anodized Finish Black WH-UR-UPG. Barrel nut included. Specifications for Battle Arms Development WORKHORSE 15in Rail and .750 Gas Block Kit: Manufacturer: Battle Arms...
Battle Arms Development WORKHORSE 15in Rail and .750 Gas Block Kit Fits AR-15 Anodized Finish Black WH-UR-UPG. Barrel nut included. Specifications for Battle Arms Development WORKHORSE 15in Rail and .750 Gas Block Kit: Manufacturer: Battle Arms...