The question is hard to answer definitively because of the range of ammo available at retail. The 45ACP was intended to mimic the ballistics of 45 Colt ammo loaded in government armories or contract production.

Both cartridges are loaded to very mild levels for SASS shooters(for example) and can be loaded to very hot velocities in guns strong enough to handle the pressure(for shooting steel knockdown targets).

Lots of fun exploring the possibilities.

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Bob.
SWCA 1821