Precision machined from ordnance grade steel and made to interface in near tolerance with the aluminum stock chassis. Common M14 and M1A steps are very easily put in using current M14 applications, building the conversion a true fall-in. Requested a used gun from bidding on Gun Broker. Following the bid https://erickfoeoa.blogginaway.com/30092354/a-secret-weapon-for-used-sage-ebr-chassis