LMT MARS-L 5.56 PISTOL 11.5″ | MLCPISTOL-556 Lewis Machine & Tool


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LMT®  built this rifle with its patented Monolithic Rail Platform, the only true monolithic rail platform, milled from a single high-grade aluminum forging. Two locking bolts on the side of the receiver lock the barrel extension in place. MRP® technology engages the barrel extension for a full 360 degrees and allows the barrel to be removed in seconds while minimizing point of impact shift.  One receiver can support numerous barrels of varying length, material, and caliber.


MLC Upper Receiver | Ambidextrous Charging Handle |

S-A Bolt Carrier Group | MARS-L Lower Receiver |

The MLC upper receiver has a 14.5-inch Picatinny top rail.  The remaining 7 sides provide M-LOK compatible attachment points.

Monolithic rail platform barrels use a low profile gas block with straight gas tube; furthermore, they have a proprietary coating and are cryogenically treated for long term durability.

The MARS®-L ambidextrous lower receiver features our EDM machined two-stage trigger, winter trigger guard, endplate with QD swivel point, LMT® ergonomic textured grip, and SB Tactical stabilizing brace.  The ambidextrous features include bolt catch and release, magazine catch, and safety selector.  As with all LMT® lower receivers, the extension tube is coated with dry film lubricant.

This weapon system comes with a magazine, owner’s manual, and 3 grip panels.

Only available to Federal Firearms Licensed Dealers.



Additional information

Weight 160 oz
Dimensions 18 × 3 × 2 in

1 review for LMT MARS-L 5.56 PISTOL 11.5″ | MLCPISTOL-556 Lewis Machine & Tool

  1. youngperry23 (verified owner)

    So happy i was able to score this gem – waited a long time for this 1 – many many months for this to restock & got lucky to get a notification and catch 1 before they sold out (these sell out very fast) – Big Tex Ordnance 1 the best gun shops around – my source for LMT goods – Appreciate yall – thanks

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