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



Finish your first 80% lower confidently knowing you own one of the best jigs on the market. Our popular forged receiver paired with the Elite Builder Jig is perfect for new builders or veterans alike. With the included HSS bits, you’ll have a finished lower ready for install in less than a day.

The Forged “FIRE/SAFE” 80% Lower

Our mil-spec 7075-T6 lower receiver blank is one of the most popular on the market. Used by thousands of AR builders over the years, it’s a tried and true method for getting your hands on a truly custom, from-scratch 5.56/.223/300 BLK rifle or pistol. It ships with the rear shelf and takedown pin hole fabricated and “FIRE/SAFE” engraved, reducing total machining time.

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

This gunsmithing station takes the standard jig and reinforces the entire design. Made from hardened steel plates with drill bushings, the Elite Builder Jig is heavy, stable, easy to use, and precisely cuts and drills multiple forged 80% lowers with precision. The provided HSS bits and center-cut end mill makes plunge-cutting the fire control cavity with your drill press simple and clean.

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.