Originally Posted by serger

Rog8732,
The tool you are talking about is called a split pin punch. You can make one from rod stock. You chuck a piece into a drill and sand it down to the right diameter. Then take a file and cut a 90 degree V in the end.

In use when you tap the pin the V will compress the split pin and push it thru. Here's a link to an article I wrote about 15 years ago that tells how to tear down a Norinco Tokarev 213 and the use of the punch:

Tokarev 213