I modified three 637-2 airweights with titanium cylinders to drop the weight to 11.5oz, and reamed them to 9mm to minimise loaded weight.
Using Post #18 as a reference, 147gr 9mm gives 952 fps for 296 ft-lb, which is both shootable and a nice midway power compromise between .38+P and .357 Magnum.
Using Post #18 as a reference, 147gr 9mm gives 952 fps for 296 ft-lb, which is both shootable and a nice midway power compromise between .38+P and .357 Magnum.
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