Lower Parts Kits

For those who repair, customize, enhance or build firearms, Real Avid offers a new breed of master grade tools that raise the bar and make the job faster, easier and better! Packed with enhanced functionality, built-in extra-hand assistance, work flow...

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...

KAK AR-15 Lower Parts Kit - Red Bag (No Grip or Trigger Guard) The KAK AR-15 Lower Parts Kit provides all the essential components to complete your AR-15 lower receiver, while leaving room for user customization. This kit excludes the grip and trigger...

Sons of Liberty Gun Works Blaster Starter Kit Milspec or better lower parts kit, without the fire control group or the grip. Comes with Pivot Pin, Takedown Pin, Takedown Pin Springs (x2), QPQ Steel Takedown Pin Detents (x3), Mil-Spec Cast Bolt Catch,...

The Geissele Ultra Duty Lower Parts Kit is made for the most demanding operators and includes all the internal parts necessary to complete or rebuild your lower receiver. This top-tier LPK features proprietary Geissele designs, machined with great care...

Sons of Liberty Gun Works Enhanced Blaster Guts - B5 Lower Parts Kit Lower Parts Kit made from only the highest quality Mil-Spec or better components. The SOLGW Bolt Catch and Safety Selector are a Mil-Spec AISI8620 investment casting per the USGI TDP...

Forward Controls Design RBF Reinforced Buffer Retainer - Stainless RBF (Reinforced Buffer retainer, Forward Controls) is a strengthened AR buffer retainer machined with Swiss machines from 17-4 stainless steel bar stock, and heat treated to H900...

SOLGW Blaster Guts AR15 B5 Lower Parts Kit Upgrade your AR-15 with the ultimate Sons of Liberty Gun Works (SOLGW) Blaster Guts AR15 B5 Lower Parts Kit. This complete kit features everything you need to finish building your lower receiver and create a...

The B5 Systems Bravo trigger guard offers a drop in upgrade over the standard AR trigger guard. The enlarged profile allows for glove use in cold weather or tactical operation. Proudly made in the USA.

The B5 Systems Bravo trigger guard offers a drop in upgrade over the standard AR trigger guard. The enlarged profile allows for glove use in cold weather or tactical operation. The trigger guard also maintains the original swing down function for use...

The Ultra Grip Kit includes the Ultra Grip Extended Mag Release Button, Ultra Grip Bolt Catch, and Ultra Grip Forward Assist with spring. The San Tan Ultra Grip pattern provides excellent grip for use with or without gloves. Fits all mil spec upper and...