FFG or FFFG

[Stumpkiller]

I just try them with both granulations and see which one they like the most.

:v :applause:

 

[MSW]

you may want to look into Dutch Schoultz' method - here's a link:
http://www.blackpowderrifleaccuracy.com/

if you follow this fellow's instructions, you will get smaller groups... this will involve some tinkering and testing (which, to my mind, is a good part of the fun)

best accessory I've ever purchased, bar none.

good luck with your project, and Make good Smoke!