You do have to train with it more to be proficient. More so than say, a 9mm. But that's not exactly a challenging caliber. I've gotten to the point now where I can pull off quick draw, line of sight, double tapped head shots at 10 yards with relative ease.
Compared to the 45acp, (another of my favorites btw) the 10mm is definitely more snappy in the hand. So long as you use real full power ammunition like underwood.. which you should because.. 10mm. lol
It's essentially a magnum auto caliber virtually mirroring hot 357mag. And with 10-15 + 1 depending on the magazine you use, it's a serious mofo!
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