[citation needed] It was based on the .41 Magnum case, cut down to fit in a 9×19mm Parabellum frame, and using a rebated rim.

[5] The .41 AE was doomed by circumstance to obscurity, but the concept of using a rebated rim to allow easy cartridge interchangeability was not lost.

Original IMI factory cartridges are much higher powered, approaching 10mm levels, pushing a 170 gr (11.02 g) bullet at 1215 ft/s.

However, as it lacks the backing of ammunition manufacturers in making .410 caliber bullets suited for semiautomatic pistols, the .41 AE has not achieved widespread popularity.

[2] The potential for success for the .41 AE was sound, and for this reason, other manufacturers offered firearms chambered at the factory for this round.