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.
Cutting and drilling your first 80% lower receiver doesn’t have to be a guessing game. And building your second and third doesn’t mean having to replace expensive jig plates and end mill bits. That’s why we’re pairing up a 3-pack of our most popular 80% AR receivers with the best-in-class Elite Builder Jig, one of the only units that can reliably cut lower after lower with little effort or guesswork.
Premium Billet 80% Lower Receiver
Each receiver blank included with this kit is precisely CNC-machined from quality 6061-T6 billet. We designed these receivers with a few time-and-tool-saving features to make assembly easier, so you can get to the range with your three new black rifles and pistols quickly:
- Integrated trigger guard
- Threaded bolt catch hole
- Threaded rear takedown hole
- Included screws and hex key
- “FIRE” and “SAFE" engravings
- Type III hardcoat anodized finish
- Mil-spec buffer and parts kit fitment
- Broached mag well for easier reloads
The Elite Builder V2 80% AR-15 Jig
The Elite Builder is the best-rated 80% jig for cutting and drilling multiple receiver blanks with one set of tooling. Unlike other aluminum or polymer jigs, this hardened-steel setup boasts precision bushings and industrial-grade HSS bits, among other features that reduce guesswork and total machining time:
- Hardened steel drill bushings automatically align and center bits
- All site plates, top plates and templates made from hardened steel
- Template laser-cut to provide machining accuracy down to 0.001”
- Self-aligning jig automatically indexes billet receiver for you
- Black anodized finish protects jig walls and templates
What’s Included with Your Jig
- (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”
The Billet 80% Lower Receiver included with this kit is not considered a firearm under the Gun Control Act of 1968 and is not classified as a firearm as defined in 18 U.S.C. 921(a)(3). Please review our Shipping & Returns Policy to confirm whether this combo kit can be shipped to your state.
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.