LMT Defense MARS-L Stripped AR15 Lower Receiver M7SL

The Lewis Machine & Tool M7SL MARS-L AR-15 Stripped Lower Receiver. The LMT Modular Ambidextrous Rifle System (MARS) lower receiver offers ambidextrous controls to include: selector, magazine release and bolt catch and release. The ambidextrous magazine and bolt catch mechanisms are machined directly into the receiver and have been designed to function as ergonomically as possible. This stripped version comes only with the ambidextrous components installed. These lowers are marked multi-cal.