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MSRP $2,789.00



Caliber 5.56x45
Operating Method Piston
Barrel 16 in / 406 mm - Chrome
Rifling 1:7"
Selector Safe/Semi
Trigger Single Stage
Color Black


California Compliant LMT® patented Monolithic Rail Platform, MRP®.  The only true monolithic rail platform, milled from a single solid piece of aerospace aluminum forging.  Utilizes two locking bolts accessible from the side of the receiver to lock in the barrel extension.  This patented technology engages the barrel extension for a full 360 degrees around the extension and makes the barrel removable within seconds with a return to zero of the same barrel.  One receiver can utilize 6 different calibers.  These include: 5.56×45 (.223), 300 blackout, 6.8 SPC, .204 Ruger.  Direct Impingement barrels have six different lengths 10.5″, 11.5”, 14.5”, 16″, 18″ and 20″, available in chrome and stainless steel, while piston has two different lengths 12” and 16” available in chrome.

Monolithic upper receiver has 16.25″ of uniterrupted picatinny rail on the 12 o’clock position.  8″ of picatinny rail on 3 and 9 o’clock positions with 7″ of rail at the 6 o’clock position.

12″ piston 5.56×45 (.223) Chrome Moly Vanadium with Chrome Lining 1:7″ RH twist barrel.  Utilizes low profile gas block, mid-length straight gas tube and A2 birdcage flash hider.  Barrel is chrome lined and cryogenically treated for long term durability.

The MARS®-L ambidextrous lower receiver features LMT® ergonomic textured grip and SOPMOD stock, and the ambidextrous features include bolt catch, magazine catch, and safety selector.  As with all LMT® lower receivers, the extension tube is coated with dry film lubricant.

This weapon system comes complete with flip-up sights, tactical two point sling, 3 rail panel covers, one magazine, torque wrench, and owner’s manual.

California Compliant paddle lower with fixed stock.  Barrel has Muzzle Brake.

Only available to Federal Firearms Licensed Dealers