New Sidearm???

The data agrees with this. The numbers for the 10mm can push closer to .41 mag power.
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Not to be argumentative, but I believe this statement is incorrect. Across the board, from lighter bullet loads, transferring more energy to heavier bullets, for increased penetration, the 10mm Auto has more energy on target, than the 357 Magnum. Factory 357 Magnum ammo offerings that I checked, don't get over 600 ft/lbs, and a number of factory loads for the 10mm Auto are in the over 600 ft/lbs and some are over 700 ft/lbs of energy. Even if one wants to argue that full potential of cartridges aren't reached except by hand loaders, I believe the 10mm Auto still bests the 357 Magnum across the range of available bullets, and powders. But numbers never stopped a threat. So if one prefers a 357 Magnum, over a 10mm Auto, that is the individuals choice...But the math for these two cartridges doesn't support the assertion that the 357 Magnum is more powerful that a comparable 10mm Auto cartridge.

Squeeze
 
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