This Elite Builder 80% Lower Jig is compatible with our Forged 80% Lowers and our Premium Fire/Safe Marked Billet 80% Lowers! Other manufacturer's billet 80% lowers may be compatible with this 80% lower jig, provided their lower receiver design adheres to mil-spec specifications.
Take out the guesswork for your first 80% lower build: Pair up the legendary forged, mil-spec receiver so many builders love with the new Elite Builder Jig, reinforced and made for precision machining.
The Forged “FIRE/SAFE” 80% Lower
Our original 80% lower, this 7075-T6 forged and “FIRE/SAFE”-engraved receiver blank is made with mil-spec fittings and ships with the rear shelf and takedown pin already cut and drilled. Compatible with all mil-spec retail parts kits and accessories, this lower makes your AR build simple and straightforward.
- Type III Hard Anodized
- 100% Mil-Spec Fittings
- Fire/Safe Marked: Yes
- Forged 7075-T6 Aluminum
- Broached Magwell
- Made in the USA
- NO FFL REQUIRED
The Elite Builder Jig w/ HSS Tooling
The Elite Builder Jig’s perfect for veteran and first-time builders alike. Made from hardened steel plates, the Elite Builder provides more stability and consistent tolerances while cutting and drilling your receiver. Drill bushings ensure precise results for your hammer, trigger, and safety pin holes. The included HSS bits are capable of handling multiple lowers. The center-cut end mill makes plunge cuts easy and clean with any drill press.
- 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
- (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”
*Important - This jig was designed with a drill press in mind for completing your 80% lower and is not designed to be used with a router/laminate trimmer.
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