80% AR-15 Lower Jig

The Tactical Machining 80% AR-15 Lower Receiver jig is the highest quality lower receiver jig on the market. Every piece is replaceable on the jig if you make a mistake. There are three top plates that are interchangeable to allow you to mill the fire control group. The side plates are fit with a drill bushing to allow you to properly drill the trigger and hammer pin. The drill bushing is replaceable, so you don’t have to replace the entire plate if you make a mistake.

There are detailed pictures of our 80% AR-15 Lower Receiver Jig available. These jigs are compatible with our 80% .308 Jig Side plates to allow completing our 80% 308 Lower Receivers.