LMT MARS-L Forged Stripped Ambidextrous Lower Receiver
The Lewis Machine and Tool MARS-L stripped lower receiver is an excellent starting point for a hard-use rifle.
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.
This “stripped” version comes only with the ambidextrous components installed.
Features:
- Forged 7075 aluminum
- Hardcoat anodized
- Compatible with Mil-Spec AR-15 lower parts
- Precise tolerances




(verified owner) –
My 2nd LMT lower. Its an amazing lower receiver and a great price if your arent looking to drop ADM or Radian dollars both are amazing lowers I have all 3 and honestly the simplicity of the LMT and placement of the right side bolt manipulation is perfectly perfect. You will regret only buying 1
Julio C. –
These lowers are top tier. I’m ordering another pair of these. Hard to find lowers but RT had them in stock.
Rooftop defense has superior and fast service.
Danny K. (verified owner) –
Outstanding service.
Quick shipping
Great lower.
Great price.
Will buy from again
Lillianna T. –
Rooftop Defense shipped these extremely fast, great quality lowers, am probably ordering more. Rooftop is the BEST!
Joshua H. (verified owner) –
FLASH must have delivered it!!!
Arrived lightning fast with zero issues or concerns,
Price couldn’t be beat by any other competitors, Rooftop Defence will get my business if they have what I’m looking for before other shops that’s for sure..