AR-10/LR-308 Ejector Pin Removal Tool

This is a tool for removing the roll pin that retains the ejector pin in an AR-10/LR-308 bolt.

(See https://www.thingiverse.com/thing:3270414 for an AR-15 remix by [kombayotch](https://www.thingiverse.com/kombayotch).)

The concept is roughly based on the $63 version sold by a large distributor. Theirs, of course, is made of metal, and does both AR-15 and AR-10 bolts. I thought it would be more fun to make one, and since there wasn't already one on Thingiverse, it would be a useful additio