Volume Discounts!  Dealers:  Make sure to set up an account with us for dealer pricing and volume discounts.

Volume Discounts added at 25, 100, and 250 pieces.  Contact us for larger quantities.

Buy 25 or more pieces.Buy 100 or more pieces.Buy 250 or more pieces.
$31.95 $30.67$31.95 $29.39$31.95 $28.12

Our lower parts kits contain all high quality, 100% USA produced components, manufactured to our exacting standards.  Each kit is guaranteed to fit your mil-spec dimension lower receiver.  We don’t use foreign made parts, polymer parts, or MIM parts.  These are quality kits at an excellent price.

AR15 Lower Parts Kit – Assembler’s Special Upgrade

Doing a custom build and need only the basics?  Here’s the kit for you.  Add your own fire control group, trigger guard, and grip for the ultimate custom built lower.  Upgrade from our standard to this nitride treated version with our easy out takedown and pivot pins.

  • Bolt catch – phosphate
  • Bolt catch detent – nitride
  • Selector – phosphate
  • Selector detent – cadmium
  • Magazine catch assembly – phosphate
  • Fire control group pins (2) – nitride
  • Takedown pin – nitride
  • Pivot pin – nitride
  • Pivot pin detents (2) – cadmium
  • Buffer retainer pin – nitride
  • Complete spring kit
  • 100% USA Made
Weight6 oz
Dimensions6 × 8 × 1 in


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

AR15 Lower Parts Kit – A...