A tier-one 80% jig for completing multiple lowers.
The Broken Arms Jig is engineered to provide precision at-home fabrication for multiple 80% lowers. Compatible with both AR9 and AR-15 80% lowers, the Broken Arms Jig provides easy-to-follow templates and guides for milling and drilling any forged or billet lower receiver blank. The BA Jig includes high-speed steel bits that can fabricate multiple lowers before requiring replacement.
Instructions: How to Complete an 80% Lower.
Broken Arms Jig: What’s Included
- (2) Side plates with drill bushings
- (5) Template plates for fabrication
- (4) ¼-20 x ¾” jig fasteners
- (2) ¼-20 x 2 jig fasteners
- (1) Instruction manual
- (1) Set of drill bits
- (1) Set of end mill bits
Additional Tools Required
- Drill Press
- Drilling Vise
- Machining Oil
- Eye Protection
- Ear Protection
Grab the gunsmithing tools required here.
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.
- Caliber:
- 5.56
- Caliber:
- 9mm
- Caliber:
- .300 AAC Blackout
- Caliber:
- .223 Wylde
- Caliber:
- 6.5 Grendel
- Brand:
- Broken Arms