Pick an AR15 80% lower receiver tutorial below:

- Original style with fire control pocket milled

- Newer style with fire control pocket solid

Click HERE to download the Quick Start Guide that's included with the jigs and adapters.

If you previously purchased my jig and you want to modify the jig for the new adapter plate kit, then just reference the sketch below.  You need to drill the holes about 0.750 deep with a 0.201 drill and then tap them at least 0.500 deep with a 1/4-20 cutting tap.