Lower Parts

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...

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...

A1 Receiver Extension Rifle length buffer tube AR-15/M4/M16/LR-308 pattern. Made from black hard coat anodized aluminum, the CMMG A1 receiver extension (buffer tube) is designed to accept fixed rifle length stocks and is compatible with Mk4 (AR-15) and...

AR15 Stripped Lower Receiver Liberty - Black The Aero Precision Special Edition "Liberty" AR-15 Stripped Lower Receiver is a high-quality, precision-engineered component designed for builders who value both performance and aesthetics. Manufactured by the...

Modular Folding Stock - 1913 Picatinny Mount - 7.75" Offset - A3T w/ Rubber Pad These Modular stocks are designed for firearms that already have a rear Picatinny rail. They are available in multiple configurations to customize your stock for just about...

Steady-Brace Modular Pistol Stabilizer - Aluminum Introducing the Steady-Brace Modular Pistol Stabilizer. The SteadyBrace provides pistol stabilization in a sleek and sturdy platform at an affordable price point. Designed to work with our professional...

B5 Systems Sierra K Stock The Sierra K is a purpose-driven compact stock, optimized for use on PDW and compact weapon systems. Features include reduced overall size and slim cheek profile, snag-free adjustment lever, limited rotation QD and integral...

B5 Systems P-GRIP 22K The P-Grip 22K offers a 13° angle to improve ergonomics and provide proper trigger index and features aggressive texture for increased retention. Reduced height optimized for PDW and compact weapon systems. Features: Optimized...

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  

SOLGW Scalper AR15 Receiver Set ODG Cerakote Finish The Sons of Liberty Gun Works stripped upper and lower receivers are made to the tightest tolerances while still being compatible with Mil-Spec parts and upper receivers. This ensures that there is...

KAK Industry K-SPEC Buffer and Spring - H1 - 3.8 oz   The K-SPEC Buffer was developed with specific goals in mind- Reducing felt recoil and providing faster follow up shots. With modern technology being applied to firearms, you're likely aware...