Lower Parts

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...

LBE Unlimited AR15 Buffer Tube Kit - H1 Buffer Whether you're assembling a new rifle or refreshing an old workhorse, the LBE Unlimited Buffer Tube Kit delivers uncompromising performance and rugged dependability. Designed to meet the demands of serious...

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 Field Repair Kit - AR15/M4 Prepare your AR15/M4 for anything with the Colt’s Manufacturing Field Repair Kit—an essential collection of mil-spec replacement parts designed to keep your rifle running in peak condition. Whether...

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...

SOLGW x FORWARD CONTROLS DESIGN - Ambi Lower Receiver - Black The 2025 LRF ambidextrous lower receiver, a collaboration between Sons of Liberty Gun Works (SOLGW) and Forward Controls Design (FCD), has been enhanced with a series of thoughtful upgrades...

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...

Fortis Manufacturing Billet Magazine Catch and Release The Fortis Billet Mag Catch & Button is a superior alternative to the ones found in a mil-spec lower parts kit. Easily installs in seconds and instantly upgrades your rifle. This upgrade is CNC...

Luth-AR Pistol Grip - A1 A1 Pistol Grip perfect for your Retro build. Features: Made of Dupont Zytel 30% glass filled nylon   **Hardware not included  

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...