Originally Posted by seeker
thanks guys. A lot of good information here that I will follow up on and use.

thank you very much. I really appreciate everybody's response.

Seeker
Go to Westerns BH209 website. There is a pic of a bit in a pin vice.
https://blackhorn209.com/specs/breech-plug-cleaning/

A hex shank drill bit works just as well with a Wheeler Screwdriver kit. Its under $15 and a set of bits will run you $5-10 at places like Lowes. I got mine at Sears Hardware store in a 4pack.
https://www.midwayusa.com/product/1007360766