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The LMT Defense Classic M203 Receiver (LMP300E) is a mil-spec 40mm under-barrel grenade launcher receiver designed for M16/M4 platform rifles. This Type 1 barrel-mounted receiver accepts standard M203 barrels (sold separately) and is compatible with the...

LMT Defense MARS-L PDW semi automatic SBR chambered in 5.56NATO. This SBR features a 10.5-inch chrome lined barrel with 1:7 RH twist, 14.5" picatinny rail on the upper receiver, with M-LOK attachment points on the remaining sides. The MARS-L ambidextrous...

Lewis Machine & Tool 5.56 receiver extension. Our milspec receiver extensions, or buffer tubes exceed the quality standards of others in the industry. We time our tubes to have a “no guess” fit with LMT lower receivers and follow up the...

The LMT Defense 5.56 Lower Parts Kit Light (R-LM556LPKL) provides all the mil-spec small parts needed to complete an AR-15 lower receiver build — minus the trigger group. This "light" version is ideal for builders who already have a preferred trigger...

Lewis Machine & Tool EURO model Two Stage AXLE semi-automatic Trigger Group for AR-10 and AR-15 pattern firearms. The EURO AXLE trigger features an approximate 4.5lb pull the provides a clean and precise break while still be safe to manipulate with...

The LMT Defense Semi-Auto AXLE Trigger Group (LMP2400ES) is one of the finest combat triggers in the firearms industry. The AXLE is a patented two-stage trigger system that blends the best features of quality fire control groups — Wire EDM precision...

The LMT Defense Carbine Length AR15 Polymer Handguard Set (LMP154G) is a mil-spec drop-in polymer handguard set for standard AR-15 carbine builds. Designed as a lightweight, durable, and heat-resistant replacement for mil-spec carbine-length handguards,...

The LMT Defense 7.62×51mm 16" LW Chrome Lined MWS Barrel Assembly (R-LM308B116) is the lightweight version of LMT's standard 16" .308 MWS barrel, engineered to reduce overall rifle weight without sacrificing durability or performance. The lightweight...

The LMT Defense 5.56 Gen 2 Enhanced Piston Full-Auto Bolt Carrier Group (L7D3CPE) is LMT's premium piston BCG designed for the MRP-L platform's short-stroke piston barrels. The Gen 2 enhanced design offers improved reliability, reduced carrier tilt, and...

Full Auto Bolt Carrier Group, 5.56×45 (.223) The L7D3 is the perfect BCG for a Mil-Spec build or upgrade from sub-par equipment. LMT Defense has made the full-auto M16/M4 BCG and its components for years replacement parts for the United States hard...

The MARS-H brings the innovative design of our MARS-L to the MWS® platform. The LMT® Modular Ambidextrous Rifle System (MARS®) lower receiver offers ambidextrous controls to include: selector, magazine release and bolt catch and release...

The Defender-H lower receiver, also known as the original LMT .308 Modular Weapon System (MWS) lower receiver, is an intermediate-caliber receiver designed specifically for use with LMT’s MWS upper receivers. Features include standard AR15 pattern...