LMT Defense - 12" S-A MID MLOK Piston Rifle - #MLSN12PS-MARS-PS

LMT Defense MARS-L Shovelnose 5.56 NATO SBR 12" MLSN12PS-MARS-PS

LMT Defense
SKU:
MLSN12PS-MARS-PS
$3,065.40
$3,306.00
(You save $240.60 )
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Description

The LMT Defense MARS-L Shovelnose 5.56 NATO Piston SBR 12" (MLSN12PS-MARS-PS) is one of LMT's flagship short-barreled rifles, combining the iconic Shovelnose M-LOK upper receiver with LMT's proven short-stroke gas piston operating system and the ambidextrous MARS-L lower. The 12" piston barrel features a two-position adjustable gas system for reliability both suppressed and unsuppressed, while the 11.5" Shovelnose M-LOK handguard provides ample rail estate for accessories. LMT's patented Monolithic Rail Platform (MRP) features an upper receiver and handguard milled from a single solid piece of aerospace-grade aluminum forging — the only true monolithic rail platform on the market. The barrel locks in place with two locking bolts engaging the barrel extension 360 degrees for exceptional accuracy and heat dissipation, with tool-free barrel changes that return to zero.

  • Part Number: MLSN12PS-MARS-PS
  • Caliber: 5.56mm NATO
  • Barrel: 12" LMT Piston MRP Quick-Disconnect 5.56 (R-L7MC1B)
  • Twist Rate: 1:7" RH
  • Gas System: Short-stroke gas piston, 2-position adjustable
  • Upper Receiver: 11.5" LMT Shovelnose M-LOK Upper Receiver Chassis (L7ZN2A)
  • Rail: Uninterrupted MIL-STD-1913 Picatinny on top; M-LOK on 7 sides
  • Lower Receiver: LMT MARS Forged Ambidextrous (M7SL) — fully ambidextrous controls
  • BCG: Enhanced Full-Auto Piston Bolt Carrier Group
  • Trigger: LMT Semi-Auto AXLE Two-Stage trigger
  • Charging Handle: LMT Ambidextrous (R-LMP103TA)
  • Buttstock: LMT SOPMOD adjustable stock
  • Grip: LMT G2 Pistol Grip
  • Trigger Guard: LMT Enhanced winter trigger guard
  • Muzzle Device: A2 birdcage flash hider
  • Finish: Black Type III hard coat anodized
  • Includes: One magazine and owner's manual
  • Manufacturer: Lewis Machine & Tool (LMT Defense), Milan, Illinois, USA

⚠️ NFA REGULATED — SHORT-BARRELED RIFLE (SBR): This firearm is classified as a Short-Barreled Rifle under the National Firearms Act (NFA). A $200 ATF tax stamp and Form 4 transfer approval are required. Must be transferred through a licensed Class III/SOT FFL dealer. After ordering, provide your dealer's FFL/SOT to Boss Firearms to initiate the Form 3 transfer. Not available in all states — verify compliance with your local and state laws before purchasing.