80% Lowers Fire/Safe (1-pack) & Elite Builder 80% Lower Jig - AR15/AR9 (With Tooling)



Start your from-scratch AR-15 build the right way, with one of the most popular 80% lower receivers on the market -- our original forged and engraved unit -- coupled with the new Elite Builder Jig, made for precision and professional results.

The Forged “FIRE/SAFE” 80% Lower

Our forged receiver blank ships with “FIRE/SAFE” markings engraved. The rear shelf and takedown pin hole are also fabricated, reducing total machining time and ensuring a precise fit with your upper receiver.

Receiver Specs:

  • Type III Hard Anodized 
  • 100% Mil-Spec Fittings
  • Fire/Safe Marked: Yes 
  • Forged 7075-T6 Aluminum 
  • Broached Magwell 
  • Made in the USA 

The Elite Builder Jig w/ HSS Tooling

Unlike many other aluminum jigs, the Elite Builder’s made from hardened steel with an anodized finish. Hardened drill bushings paired with a drill press ensure your hammer, safety, and trigger pin holes come out perfect, allowing your LPK to install easily and function flawlessly. High-speed steel bits provide better results than carbon bits, and the provided end mill is center-cut for easy plunge cuts with a drill press.

Jig Features:

  • Self-aligning jig requires no special fitting during setup 
  • Compatible with any standard AR-15 or AR-9 80% lower 
  • Black anodized finish protects against rust and corrosion 
  • Pre-drilled holes for hammer, trigger, and safety pin holes 
  • Reinforced steel template plates for completing multiple lowers

Included Tooling:

  • (1) ⅜ Drill Bit - 5” 
  • (1) 5/32 Drill Bit - 3” 
  • (1) ⅜ Short End Mill - 3” 
  • (1) 5/16 Short End Mill - 4” 
  • (1) ⅜ Long End Mill - 4”
No FFL required  Made in the USA  Lifetime Warranty

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily

80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.