longwinter, to your original question, yes, 44-40 is a caliber. That designation actually came from Marlin, who refused to put any other manufacturer's name on their rifles, so when Marlin chambered 44WCF (Winchester Centerfire), they called it 44-40. (44 caliber, 40 grains of (black) powder. Hollywood makebelieve showed up in the show "The Rebel" where the hero carried a cut-off Winchester in a holster as a handgun, which was also a 44-40, but Hollywood filled his belt loops with 30-30 ammo because it looks more impressive.