Thanks for pointing out the obvious Bushman... Never really put much thought into the fact that most of these straight walled smaller calibers loaded originally with black powder & smaller rims would perform poorly in rifles.I was just thinking of today's standard powders (higher pressures) that can launch these bullets down a pipe & with modern manufacturing can be fed & extracted without problem in a newer lever or pump rifle.... Watching too many westerns I guess...

Not the most experienced guy with antiques, I did realize, however, that most of the straight walled rifle cartridges had larger cases. ie. the 40's,45, & 50 calibers. But never really considered the problems one of these smaller cartridges might cause in a rifle. Was it more a case of poor feeding & extraction or poor ballistics of the day? Or both?