Lower Parts Kits

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 (AT) Aggressive Texture included. Ergo Grip, Enhanced...

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.

LWRCI's Advanced Trigger Guard is appropriately sized for use with gloved hands. Easy to install, this lightweight trigger guard is constructed of a glass-filled reinforced nylon making it nearly indestructible.

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 Parts Kit Standard, 223 Rem/556NATO, Rounded Hammerand...

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...

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, and performance. Made from only the highest...

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...

BCM Enhanced Lower Parts Kit for your AR15 Lower Receiver. This kit includes all the Mil-Spec quality components-BCM PNT Trigger Assembly- polished nickel teflon, BCM Pistol Grip, Mod 3 and BCM Enhanced Trigger Guard.The BCM PNT Trigger and PNT Hammer...

Battle Arms Development, Inc., Enhanced Lower Parts Kit, Package 3, BAD-EBC-IC, BAD-E4S-IC and BAD-EMC-IC

he Battle Arms Development EBC (enhanced bolt catch) was designed to be a drop-in upgrade to the existing MIL-SPEC bolt catch. Due to the design of this bolt catch, it provides not only a better purchase on the release portion but the lock portion of the...

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 USA