Quote:
Originally Posted by ralph7
Think you are trying to put a saddle on a race horse.
The key to reliable expansion is velocity and you probably need more powder capacity to achieve the velocity necessary to have a 165 grain bullet expand reliably.
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You are right, but bullet design has as much to do with it. If a 'short barrel' bullet can be designed for .38 special, that expands at 800-900 fps a heavier 9mm could be made to expand at around 950 fps also