Lewis Machine & Tool MARS-LS Ambi Lower

New Lewis Machine & Tool Complete MARS AR-15 Rifle Lower in 5.56mm, part # M7DA4.  These are Factory built complete lowers and they ship with the Black or FDE Furniture. 

This lower receiver is designed with several unique LMT® features to further enhance its durability and versatility.  These features are: Two-stage trigger group, winter trigger guard, ergo grip, QD endplate, and SOPMOD buttstock.

The LMT® Modular Ambidextrous Rifle System (MARS®) lower receiver offers ambidextrous controls to include: selector, magazine release and bolt catch and release.  An enhanced flared magazine well and ambidextrous magazine and bolt catch mechanisms are machined directly into the receiver and have been designed to function as ergonomically as possible.