this post was submitted on 25 Feb 2024
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[–] HelixDab2@lemm.ee 3 points 8 months ago

Couple pedantic points:

You can shoot 10mm with one hand, but you should be shooting pistols with both hands regardless of the power, because it's generally less stable to shoot one-handed. (Olympic shooting is one of the few disciplines that still uses single handed shooting.)

10mm was designed as a cartridge that would have similar performance to a .357 Magnum, but for an autoloading pistol so that you could reload faster and have higher magazine capacity. Typical 10mm loads outperform typical .357 Mag loads.

There's a pretty significant difference in .40S&W v. 9mm Luger; if you look at range ammo, 9mm 115gr will run at about 360 ft-lbs, and .40 S&W 165gr will run at about 470 ft-lbs. OTOH, a 10mm 180gr will run at around 710 ft-lbs. While the 1986 Miami shootout led the FBI to believe that they needed more stopping power than a 9mm, the all branches of the US Military still use 9mm, and most police forces have moved back to 9mm after using .40 S&W for a number of years.