Lower Parts

SB Tactical, SB Mini, Stabilizing Pistol Brace, Fits AR Pistol Buffer Tube, Black, Includes Adjustable Nylon Strap Product Includes: Brace, Adjustable Nylon Strap Fits All Platforms Equipped with AR-style Pistol Buffer Tube Diameter Compatibility 1...

Magpul UCS (Universal Carbine Stock) Side Folding Stock - 1913 Picatinny When adaptability meets rugged reliability, the result is the Magpul UCS—Universal Carbine Stock. Engineered for firearms with a rear-mounted M1913 Picatinny rail, the UCS...

Colt High Wear Parts Repair Kit - AR15/M4 Maintain peak reliability with the Colt’s Manufacturing High Wear Parts Repair Kit for AR15/M4 platforms. Engineered to keep your rifle running smoothly through intense use, this kit includes the most...

Colt Lower Parts Kit - AR15/M4 Get your AR build one step closer to complete with the Colt’s Manufacturing Lower Parts Kit for AR15/M4 platforms. Precision-engineered by one of the most trusted names in firearms, this kit includes the essential...

Wilson Combat Two-Stage Tactical Trigger Unit - Heavy Duty Flat Face - AR-15/AR-10 Take control of your AR with the Wilson Combat TR-TTU Heavy Duty Flat Trigger—the ultimate tactical upgrade for shooters who demand speed, precision, and rock-solid...

Magpul ACS Carbine Stock MIL-Spec Gray The Magpul ACS (Adaptable Carbine/Storage) MIL-SPEC Stock is a drop-in replacement buttstock, designed for AR15/M16 carbines using mil-spec receiver extension tubes. With an anti-snag profile, supplemental friction...

KNS Stock Adapter with Flange - Black The AR/MCX Stock Adapter allows the user to mount a picatinny-style stock attachment (such as the SIG MPX folding stock or brace) in place of an AR15 style buffer tube. Many firearms utilize the buffer tube...

PWS Ratchet Lock Castle Nut and Endplate Set - MOD 2 The Ratchet Lock Castle Nut End Plate set works with mil-spec OR commercial buffer tubes and eliminates the need for staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate...

Die Free Co. - Grip Plug for Kung Fu Grips - Black Storage PLUG for Kung Fu Grip accepts two CR123, AA, or AAA batteries. It also has a slot for a single CR2032 battery, a pocket for a small Allen or Torx wrench, and a slot for a MultiTasker NANO Tool...

ESD Granite Grip-B Designed to optimize the AR platform, Granite Grip-B is our beavertail variation of our Granite Grip. The beavertail function will increase the length between your trigger finger and grip, lower your hand placement, and secure it from...

H1 Carbine Buffer Body .223/5.56 The H1 Carbine Buffer Body contains 1 tungsten slug and 2 steel slugs in the buffer for a total weight of 3.80 oz or .25 lbs. Using a heavier AR-15 buffer helps reliable function with mid-length or short gas system...

Luth-AR .308/7.62NATO Carbine Buffer Spring  High quality components and precise manufacturing make LuthAR parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years...