LMT Defense Parts

The LMT Defense Front Flip-Up Sight GEN2 (L8KG2) is LMT's mil-spec front backup iron sight (BUIS) — NSN issued (NSN: 1005-01-648-5899) and compatible with all LMT rifle sight systems. This flip-up design allows the sight to lay flat against the rail when...

This is a new Lewis Machine & Tool 5.56 piston AR15 bolt carrier group for use in piston-operated systems. It features optimization for use in short-barreled rifles.

Lewis Machine & Tool semi safety selector switch.  The Lewis Machine and Tool AR-15 Safety Selector is built to Mil-Spec for compatibility with all lower receivers. Machined from steel and black hardcoat anodized, this semi-auto safety selector...

20″ Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel Designed for the LMT monolithic receiver, this barrel utilizes a low profile gas block, rifle length straight gas tube, and A2 birdcage for reduced flash. The barrel is coated...

The 9″ MRP .300BLK barrel is made from high-quality materials with a 1:7 twist for superior accuracy. It features a low-profile gas block firmly attached to prevent leakage or slipping and a straight gas tube that perfectly interfaces with the MRP...

If you're looking for a replica 40MM launcher with the exact function and feel of the original military specification M203, look no further! The LMT 37MM Flare Launcher is as close to the destructive device as a civilian can get without ATF approval and...

The LMT Defense 16" .308 Lightweight Chrome Lined Piston Barrel (R-LM308B116PS) is LMT's 7.62x51mm NATO piston-operated MRP-H barrel assembly, combining a lightweight chrome-lined bore with LMT's proven short-stroke piston operating system for enhanced...

Leaf Sight for Standard M203 Grenade Launcher. Mounts directly to the standard handguard.  

LMT Defense Leaf sight developed exclusively for use with the LMT® rail mounted M203 launchers.  This sight mounts via the rear rail screw of the launcher receiver.

LMT Defense M203 Mounting hardware kit with leaf sight assembly. Mounts to standard M203 for a standard A2 rifle with 20″ barrel.

The LMT M203 Carbine Length Mounting Kit mounts to a standard M203 for a standard or M4 type carbine. Includes M203 mounting hardware and leaf sight assembly.

The LMT Defense M203 Quick Detach Mounting Bracket (C-12973116) is a quick-detach mounting bracket for LMT M203 grenade launcher systems. This QD bracket enables faster installation and removal of the M203 from the host rifle without tools, providing...