Add my vote for Blackhorn 209. Your loading difficulties should be reduced from shot to shot vs. Pyrodex or 777. No crud, no build-up, no rust.

The Encore manual has suggested loads for the pistols. Here's the link:

http://www.tcarms.com/manuals/ Select Encore Muzzleloader Manual about half way down the page. The pistol charts are near the end of the manual.