I noticed a while ago that most of our contributors are laser focused on firearms and functional addons. Very few of us are looking at creating the tooling and equipment needed to manufacture them. To that effort i have created this AR15 80% Milling Jig.
As with most of my creations, you can
or you can get it from the FOSSCAD or Deterrence Dispersed repositories.
This design is based loosely on the Gen 1 80% arms jigs with the reciever blank sandwiched between the two side plates.This form is ideal for working with any sort of drill press or milling machine. It can be done on a router but is not recommended.
A version compatible with the AR9 will be available later this year.
This is an AD
Could you theoretically use this to make a high shelf lower a low shelf?
No idea. Test it let me know.