Not great but cheaper then some of the used stuff people been tryna sell.
tombstonetactical.com
LMT DEFENSE MARS-LS M7SL Receiver MULTI-CAL
<p>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...
