Inspired by the ballistics, I re-barreled a bolt-action Mossberg MVP, which feeds from AR-15 magazines, to 25-45 Sharps and took it to Africa where AR-15s are not allowed. It worked, cleanly ...

Designed by Sharps Rifle Company for use in AR-platform rifles, the .25-45 Sharps cartridge reportedly fires an 87-grain, .25-caliber Speer Hot-Cor bullet at a muzzle velocity of 3000 fps.