The .308 AR is a precision rifle, and building one means investing in precision gunsmithing equipment -- but you don’t need to spend a fortune. The Elite Builder .308 80% Jig is designed for the LR-308 platform (often called AR-10 by shooters) and can quickly and accurately machining any DPMS gen 1 pattern .308 80% lower, forged or billet.
NEW! You can now add on the enhanced drill plate to make drilling the fire control cavity easier.
PLEASE NOTE: Tooling (bits) for this jig is optional. You'll need to select whether you would like accompanying tooling with your jig.
Quality HSS Bits
To ensure you’re cutting and drilling confidently, choose to add on the option tooling - quality HSS drill bits for the hammer, trigger, and safety pin holes, and sized end mill bits for cutting the main cavity for the lower parts kit. 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:
- Compatible with any DPMS (LR-308) 80% lower
- Self-aligning jig requires no special fitting during setup
- 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
Find detailed jig assembly and machining instructions here.
*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.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
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.
