Lower Parts Kits

The lower parts kit helps you to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface. This lower parts kit does not...

No one likes to ruin a trip to the range when something goes wrong with your rifle. The AR15/M4E1 Field Repair Kit features common parts that may rattle loose or break. Carry one in your range bag...

No one likes to ruin a trip to the range when something goes wrong with your rifle. The AR15/M4E1 Field Repair Kit features common parts that may rattle loose or break. Carry one in your range bag...

Our EPC Lower Receivers include the proprietary parts pre-installed from the factory. Other parts and components for assembling your lower receiver are standard AR15 compatible parts. Our EPC Lower...

High quality AR-15 Enhanced Lower Parts Kit from ERGO comes with all the replacement parts to upgrade your AR-15 lower, with the exception of the fire control group. Comes with the Original ERGO Grip...

The Spike's Tactical LPK exceeds Military Specifications by a long shot while also offering a much better fit and finish. Proudly 100% made right here in the USA. Spike's Tactical, Lower Receiver...

Sons of Liberty Gun Works Blaster Guts Lower Parts Kit Upgrade your firearm with the Sons of Liberty Gun Works Blaster Guts Lower Parts Kit – the ultimate combination of premium quality, durability,...

AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish. Made in the USA. Castle Nut, For AR-15, Manganese Phosphate Coated 4140 Steel Fits AR-15 Castle Nut Made in the...

Billet machined from grade five titanium. Re-styled to give a larger target for rapid manipulation and angled to make it easier to engage and disengage after re-loads. Weighs 0.24 oz. and comes in...

This kit features all of the Seekins Precision manufactured lower receiver parts as well as the pins and springs needed for assembly of your AR15 lower receiver. (Trigger Not Included in Kit...

This complete Windham Weaponry Lower Receiver Parts Kit will give you everything needed to build up a stripped lower or keep your AR functioning in the toughest conditions. All highest quality parts,...

Our EPC Lower Receivers include the proprietary parts pre-installed from the factory. Other parts and components for assembling your lower receiver are standard AR15 compatible parts. Our EPC Lower...