I recently acquired a XP100 in 221 Fireball. Anyone have a pet load they have found to be super accurate? I see this single shot pistol becoming a new favorite shooter.
I own one along with a Cooper in 221, I dont give out data often but these are the two loads I use for both guns.
221 Fire Ball..... Sierra 40 grain Blitzking using 15.3 of Lil'Gun or 17.5 of AA1680