AR-15 Parts

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 5.56 Enhanced Full-Auto Bolt Carrier (R-L7Q3A) is LMT's enhanced direct impingement 5.56 bolt carrier group, full-auto rated for maximum longevity. The enhanced carrier design improves gas flow and reduces carrier tilt compared to...

LMT Defense .308 receiver extension tube. LMT offers its 308 receiver extension, or buffer tube, for sale to customers for their builds. This tube is approx. 3/4″ longer than a standard AR-15 style buffer tube. This allows for usage of standard...

The Dead Air Armament Ghost Piston 1/2x28 RH — Black (DA401) is Dead Air's replacement/expansion piston for the Ghost pistol suppressor series with 1/2x28 RH barrel threading. Dead Air's piston system converts the Ghost suppressor to different host...

The LMT Defense 16" Chrome Lined 5.56mm MRP Barrel Assembly (L7PA1B) is engineered specifically for LMT's Monolithic Rail Platform (MRP) upper receivers. This 16-inch, 5.56×45 (.223) barrel features a 1:7" right-hand rifling twist, low-profile gas block,...

The LMT Defense SOPMOD-Mini 5.56 PDW Buttstock Kit (PDW-KIT) is a complete Personal Defense Weapon conversion kit for any mil-spec AR-15. This kit reduces overall weapon length by 2.75 inches compared to a standard SOPMOD stock configuration — without...

Proof Research Carbon Fiber Q The Fix Barrel is a precision-machined carbon fiber replacement barrel designed specifically for Q (Q LLC) The Fix bolt-action rifle. The Fix is Q's innovative chassis rifle that accepts AR-style magazines, and this Proof...

Having a spare is never the wrong answer, so keep your kit ready to roll with a spare bolt catch roll pin for your AR-15.Features: MIL-SPEC construction Made in the U.S.A. Lewis Machine and Tool is dedicated to providing you with high quality products...

KAC’s iconic Ribbed Rail Panels have seen use all over the globe on US military M4 Carbines. The lightweight polymer panels are ribbed for an enhanced grip, and help insulate the support hand from barrel heat. While originally designed for use on...

Each GLOCK magazine is constructed from a hardened steel insert encased in high tech polymer to protect the magazine and prevent deformation, even when dropped from a great height. The high quality spring and follower ensure reliable feeding from the...

This is a new Lewis Machine & Tool 6.8 Special and .224 Valkyrie AR15 bolt. It features the same durable construction as LMT’s 5.56 Enhanced Bolt with an emphasis on reliability with use of high-pressure loads. This is compatible with any...

The KAC URX 3.1 Picatinny Rail Section attaches directly to a URX III or 3.1 modular handguard via a hex head screw. It allows the user to install any number of tactical accessories to the forend if desired. Installation hardware included. Lightweight...