Bullet fit

[Don McDowell]

I believe the difference in what works for X ring hunting with a muzzle loader and a cartridge gun is the throat of the cartridge chamber. A muzzle loader barrel only has the breech plug at the end of the rifling. That makes for the bullet to have a onetime expansion into the rifling the entire length of the bullet . Where a cartridge gun will expand the base of the bullet first then sewage it down to bore and groove.