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The LMT Defense MARS-L Stripped AR15 Lower Receiver (R-M7SL) is the foundation of the legendary LMT MARS® system. The LMT® Modular Ambidextrous Rifle System (MARS®) lower receiver sets a new standard for ambidextrous AR-15 controls. The MARS-L features...

The LMT Defense MRP-L Quad Rail (Picatinny) 13.25" AR15 Upper Receiver (L7RA1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged aerospace-grade aluminum, eliminating...

The LMT Defense MRP-L Quad Rail (Picatinny) 9.25" AR15 Upper Receiver (L7S1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged aerospace-grade aluminum, eliminating...

The LMT Defense MRP-L M-LOK 13.25" AR15 Upper Receiver (L7Y1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged aerospace-grade aluminum, eliminating flex and...

The LMT Defense MRP-L M-LOK 11.5" AR15 Upper Receiver (L7Z1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged aerospace-grade aluminum, eliminating flex and providing...

The LMT Defense 11.5" Chrome Lined 5.56mm MRP Barrel Assembly (L7TA1B) is engineered specifically for LMT's Monolithic Rail Platform (MRP) upper receivers. This 11.5-inch, 5.56×45 (.223) barrel features a 1:7" right-hand rifling twist, low-profile gas...

The LMT Defense Tactical 5.56 Charging Handle (LMP103T) is an M4 Charging Handle Assembly with an Enhanced Tactical Latch — offering a significant upgrade over mil-spec charging handles. The enlarged tactical latch provides a more positive grip and...

The LMT Defense Ambidextrous 5.56 Charging Handle (R-LMP103TA) features enhanced tactical latches on both sides for true ambidextrous operation. Dead-stop latches reduce tension on latch pins, extending service life while allowing fast, positive...

The LMT Defense MRP-H Quad Rail 12.75" AR10/.308 Complete Upper Receiver Bundle (BFCLMT-H308P16P) is a complete, ready-to-mount LMT AR-10 piston upper receiver assembly combining LMT's MRP-H Quad Rail 12.75" upper receiver chassis with LMT's .308 piston...

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...

MLC Upper Receiver | Ambidextrous Charging Handle | S-A Bolt Carrier Group | MARS-L Lower Receiver | 14.5″ 5.56×45 (.223) Chrome Lined 1:7″ RH Twist Barrel LMT Defense MARS-L. Utilizing the LMT® patented Monolithic Rail Platform,...

The L8JT is the rear sight for users whose primary sighting system is a red dot or variable power optic. This bomb proof rear sight from LMT Defense is intended as an excellent back up iron sight. Featuring a low profile design, windage adjustments, and...