LMT Defense Parts

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...

LMT AR-10 Barrel for use with the LMT MWS upper receivers.  Specifications:  7.62 NATO / .308 16" Stainless steel 1:11.25" RH twist 5R cut Low profile gas block Straight gas tube A2 flash hider  

LMT Defense 18″ stainless steel 1:11.25″ RH 5R cut 7.62×51 barrel for MWS upper receivers. Includes low profile gas block, straight gas tube, A2 flash hider. SPECS Weight: 3.89 lbs Barrel Length: 18 in / 457 mm Barrel Material:...

The LMT Defense .308 Piston Bolt Carrier Group (R-LM308DPS) is the large-frame 7.62x51mm NATO piston BCG designed for LMT's MRP-H piston-operated AR-10/MWS platform. Built with the same materials and design principles as LMT's acclaimed 5.56mm piston...

LMT® 20″ stainless steel 1:10″ RH twist 243 Winchester barrel for MWS upper receivers. Includes low profile gas block, straight gas tube, A2 flash hider. SPECS Barrel Caliber: 243 Win Barrel Length: 20 in / 508 mm Barrel Material:...

The LMT Defense 7.62/5.56 Flip-Up Battle Sight Set (L8BUIST) is the complete BUIS (Backup Iron Sight) solution for any AR-15 or AR-10 platform using a primary red dot or variable power optic. The set includes the front flip-up sight and the L8JT rear...

LMT Defense kept the AR builders in mind with this essential kit for your next project. The LM556BTK is ready to install in your stripped lower. Kit ships with a dry film lubed, Mil-Spec 6 position tube, standard buffer spring, 3oz buffer, standard...

The LMT Defense M203 Barrel 12" (LMP360) is a 40mm grenade launcher barrel assembly for the M203 grenade launcher system. The 12-inch barrel provides increased velocity compared to the 9" barrel and is the standard-length M203 barrel configuration used...

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...

This is a new Lewis Machine & Tool 14.5-inch MRP barrel chambered for .223/5.56mm. It features a 1/2x28 threaded A2 birdcage flash hider, low profile gas block with a mid-length straight gas tube, and a chrome-lined bore with a 1:7 right hand twist...

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...

12″ Piston Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel Designed for the LMT monolithic receiver, this barrel utilizes a piston operating rod and has an A2 birdcage for reduced flash. The barrel is coated and cryogenically treated...