Hard to find factory rounds loaded to exploit the 10's full potential. But, if you do, you have .357 magnum power in an autoloading platform. Thus, if you have a glock 20, you can shoot 16 rounds of 782 ft/lb rounds before reloading. Pretty damn potent.
Buffalo Bore 10mm: 180 gr pushed to 1,350 fps. Packing about 780 ft/lbs of energy.
Heavy 10mm Pistol & Handgun Ammunition
Great "wild animal defense round" imo.
I know most die hard 10mm fans reload, so they can harness all the extra case length from the 10mm.
Pros:
-Potent
-Made for autoloaders, so mag capacity can be greatly increased.
-Great for handloading, so one can tweak a load to their liking
Cons:
- Not very popular. Although, with the recent buying binge, 10mm was all i could find on shelves

.
- Long cartridge. Too big for some people's hands. hehehehe.
- Some reports of excessive recoil, although, I've only fired 10mm through an all steel pistol so it pushed like a puppy.
- Usually ammo is hard to come by. Both HD & target loads. Walmart doesn't sell them, and my gun dealer only had 1 box of Federal HST in 10mm. Only Outdoor world regularly sells it, and it's $25/50. Kinda pricey.
- Guns for it are somewhat hard to find. The most popular platforms are a 1911 variant of some sort or the aforementioned Glock 20. I have a S&W 1006.
Shrug. When I go hiking in VA, I'm carrying my 10mm with me.
---------- Post added at 12:13 AM ---------- Previous post was at 12:09 AM ----------
Quote:
Originally Posted by wraithhibn
The FBI wanted 10mm but it didn't function as well as they wanted. So they chopped it off and now you have .40SW
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I believe female agents hands were too small, or that the recoil was too great? Hence the FBI switched to 9mm, before finally settling on .40 S&W after the Miami shoot out?
The .40 S&W is basically a shortened 10mm, operating at higher pressures. Hence why the .40 is snappier and Kabooms are sometimes more frequently seen with .40 S&W Glocks.