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 the Elite Builder 80% lower jig, provided their lower receiver design adheres to mil-spec specifications.
AR-15 rifle, pistol, or 300 Blackout? Why not build all three? Start your black rifle armory by picking up this convenient three-pack of forged, mil-spec 80% lowers with the new Elite Builder Jig. This hardened-steel jig is the one you need for building multiple receivers.
(3) Forged 80% Lowers (“FIRE/SAFE” engraved)
Each 7075-T6 forged lower is made with mil-spec fittings, ensuring compatibility with virtually all retail AR-15 parts and accessories. Each lower ships with “FIRE/SAFE” engravings and a completed rear shelf and takedown pin hole, reducing your machining time.
- 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
Not all jigs are created equal. Most are constructed with forged aluminum. The Elite Builder Jig is made from hardened steel plates and anodized, to ensure tight tolerances and consistent machining for multiple lowers. Hardened drill bushings provide the precision required for ensuring your lower parts kit works flawlessly once installed. High-speed steel bits provide an upgrade over carbon bits, with a center-cut end mill for easy plunge cuts with your 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.
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.