Lewis Machine and Tool

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Out of stock

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.


Caliber: .204 Ru, .300 BLK, 5.56x45, 6.8 SPC

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  • 5
    High Quality Lower

    Posted by Logan on 6th Sep 2023

    One of the best lower receivers on the market and at a great price. Shipping was lightening fast and even came with some cool stickers.

  • 5
    Product quality and rapid shipment

    Posted by Austin on 3rd Apr 2023

    Excellent lower and the perfect start to a quality build. Order processed fast and I had it within a week.

  • 5
    Awesome lower

    Posted by Stove on 29th Mar 2023

    Ergonomic and functional

  • 5

    Posted by chris robson on 24th Jan 2023

    Best ambi lower on the market, American Armorer ships fast has great prices.

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