I don't subscribe to any "best cartridge". IMHO, 9mm, 40, 38 special (+P), 357, 10mm and 45 are all great handgun rounds. Some .380 is right up there too. Personally, I like 9mm and 10mm due to higher capacities. Next up, would be .40, 380 and .357.
9mm is easy to shoot, cheap to shoot and pract...
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