Want to machine an 80% lower for more than just one AR build? Of course you do, it’s what happens to most new builders. The Elite Builder Jig is the tool to do it, so we’ve added new template plates! The EB Jig can now complete any AR-15, AR9, and AR-10 or LR-308 80% lower! The EB Jig is the do-it-all choice, perfect for also grabbing a Patriot Pack lower combo.
You can also now choose to include the enhanced drill plate to further make it easier for you to drill and hollow out your fire control group pocket.
Optional Rugged HSS Bits
The EB Jig is paired with quality high-speed steel drill and end mill bits. These tough HSS bits can chew through multiple receivers for all your builds. All you need to complete your lower is a basic drill press and about two hours’ time. The tool kit includes:
- (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”
Jig Features & Specs:
- Self-aligning jig requires no special fitting during setup
- Now compatible with AR-10/LR-308, AR-15 and AR-9
- 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
Other manufacturer's billet 80% lowers may be compatible with this 80% lower jig, provided their lower receiver design adheres to mil-spec specifications.
*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.