LMT Defense - MARS-L Stripped AR15 Lower Receiver - R-M7SL

The LMT Defense MARS-L Stripped AR15 Lower Receiver (R-M7SL) is the foundation of the legendary LMT MARS® system. The LMT® Modular Ambidextrous Rifle System (MARS®) lower receiver sets a new standard for ambidextrous AR-15 controls. The MARS-L features fully ambidextrous selector, magazine release, bolt catch, and bolt release — all machined directly into the forged aluminum receiver for maximum durability. The enhanced flared magazine well enables fast, positive magazine insertion even under stress or with gloves.

This "stripped" version includes all ambidextrous components pre-installed, ready for your choice of trigger group, stock, pistol grip, and buffer system. Compatible with 5.56×45 and .300 Blackout. Weight: 1.718 lbs. Dimensions: 15.75 × 2.75". Made in the USA by Lewis Machine & Tool. Requires Form 4473 (lower receiver is serialized firearm part).

Features

• LMT MARS® fully ambidextrous controls — selector, mag release, bolt catch & release
• Enhanced flared magazine well for fast reloads
• Forged aluminum construction — Type III hard anodized
• Caliber: 5.56×45 (.223) / .300 BLK
• Weight: 1.718 lbs
• Pre-installed ambidextrous components — stripped of fire control group
• Compatible with mil-spec AR-15 components
• Made in USA by Lewis Machine & Tool