CMMG AR-15 Receiver Extension Kit For Rifle Builds Mil-Spec Diameter Black 55CA6C7
Are you thinking about build a new AR-15 rifle or completing that lower you have had sitting around for months? Well then look no further that this receiver extension kit for your AR-15 lower. CMMG has created the perfect kit containing an AR-15 rifle receiver extension; end plate, carbine buffer and spring. This kit is designed to work correctly with both with standard 5.56mm NATO AR rifle builds.