Recall reading several articles that stated Cap & Ball shooters were slow to convert to the new fangled cartridge guns when they came on the scene 150 years ago. They were afraid they wouldn't be able to find ammo in those out of the way places. Guess what ? Now lot's of guys who bought conversion cylinders are digging out those C & B cylinders as you guessed it ....can't find 45 Colt and others in cowboy/low pressure loads in the BIG CITY even. Of course we all know cartridges are only a passing fad anyway.