Lower Parts

 All of the functional requirements are met while keeping the weight under 6 ounces. This stock adapts and changes to your environment or operational needs by utilizing custom accessory mounts and accepts a new optimized sling configuration. The...

  CMMG Mk3 Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Fire Control Group, and pistol grip. Compatible with CMMG Mk3 Lowers and most LR308 type lowers. Not...

 All of the functional requirements are met while keeping the weight under 6 ounces. This stock adapts and changes to your environment or operational needs by utilizing custom accessory mounts and accepts a new optimized sling configuration. The...

Perfect for PDW pistols the Maxim Defense Arm Brace gives you the adjustments needed to more comfortably shoot your AR pistol, and makes your pistol more compact for easier transport. Built on the same housing as our CQB stocks, you get the same...

  The Ultralight QD Endplate for AR15/M16 pattern rifles. Weighing only 6.5 grams, the endplate is machined from billet 7075-T6 aluminum with milspec Type III anodized finish and a press-fit Titanium QD sling swivel cup. This combination of...

  This kit has all the parts you need to get started on you next AR15 build. Combine this kit with a buttstock kit to complete your lower group.

  This Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Trigger Guard, Fire Control Group, or pistol grip.

The B5 Systems Enhanced SOPMOD Stock is a tried and true design for ultimate comfort and accuracy.An official pick of the U.S. military" our Enhanced SopMod stocks have helped thousands of soldiers make the most of their skill in the field. From active...

  The Binary Firing System ™ GEN 3 (BFSIII™) is a 3-position trigger. In position 3 it fires one round on pull and one round on release, making it the fastest semi-automatic trigger on the market. This trigger is ideal for both tactical...

  The Binary Firing System ™ GEN 3 (BFSIII™) is a 3-position trigger. In position 3 it fires one round on pull and one round on release, making it the fastest semi-automatic trigger on the market. This trigger is ideal for both tactical...

  BCMGUNFIGHTER™ Stock Assembly - Mod 1 - SOPMOD (Widebody) Compartment Strong and Lightweight for your mil-spec receiver extension. More pronounced cheekweld (SOPMOD type) Snag free Design. No sharp edges prevent tangling of the...

  BAD-EBC-9MM Billet Enhanced Bolt Catch Enhanced Control Surfaces, Better Ergonomics, Lightweight Engineering, Strong Billet 8620 Heat Treated Steel Precision CNC Machined, and Versatile Modular Design for Future Add-On Product/s...