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




Stephen H. (verified owner) –
Definitely a right choice when buying from Rooftop! Fast shipping, came as order.
LMT ambi lower, one of the best ambi lowers. Fully ambidextrous controls. Looks great no blems or issues with dimensions.
Luies M. (verified owner) –
Highly recommend shopping with Rooftop. Shipped out very quickly and communicated effectively during the whole process.
Remember to buy an Oops kit because you’re going to need detents and springs to finish assembling.
Edwin G. (verified owner) –
Great Lower, love it, love the shipping .
Great communication ordering again real soon
Daniel B. (verified owner) –
My favorite lower from my favorite vendor. I’ve bought several from Sol and never gave an issue. Will continue using rooftop in future also.
Brad M. (verified owner) –
First order from Rooftop and very impressed. Shipping was super fast and they included a pocket Construction and a pack of noodles with the order, how cool is that! Would definitely recommend Rooftop and plan to purchase more.
LMT receiver is very nice. Do wish the guard around the ambi mag release wasn’t so pronounced or the button was a little bigger.