New from F5 MFG! AR-15 80% machining jig to ensure completing your 80 lower is easy and worry-free. These machining jigs are designed to take all the guesswork out of finishing your 80% lower. Not a machinist, no worries, all the tools are included so you can do the work in the comfort and privacy of your home workshop.

These jigs are machined out of billet 6061 aluminum and precision laser cut out of steel to give you the best tool for the job. Make sure before you start on your next AR build you have one of these in your toolbox. Buying this jig is an investment in your ability to uphold your 2nd amendment rights. Any mil-spec 80 lower will work with this jig, but why not pick a few from F5 MFG to ensure you have all you need to get your next AR build.

A link to the instructional video will be included in your kit to help you step by step from start to finish.

F5 MFG 80% Jig Instructions