Quote:
Originally Posted by Frazod
I've never owned or even shot a 10mm. I know they're nearly identical in size to .40. Will a gun chambered in 10mm shoot a .40 round, or vice versa?
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The difference between the .40 S&W and the 10 mm is case length. Projectile diameter is identical.
I've heard that there are guns that will chamber and fire both, however, everything I've read says this is not recommended.
You should not try to chamber a 10mm in a .40 S&W chambered gun. It shouldn't go into battery anyway, due to the shorter throat, but there's also the issue of pressure.