Study after study, both in the ballistics lab and based on real world shootout data, show the .45 is not statistically better than any other common self-defense round (9mm, .40 S&W, 10mm, .357 Magnum, etc.). Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to … The longer version goes a little more like this: .40 is cheaper than .45 and you can shoot 9mm, 357sig and 9x25 from your 10mm. 10mm is the most powerful cartridge you listed. Huh? Borg Warner , Aug 18, 2019 Borg Warner , Aug 18, 2019 Yes it is...and no it isn't. mags. However, those statements also reflect the strengths, weaknesses and ideal uses of each cartridge. The 45’s power and bullet size vs. the 9 mm Luger round was very obvious. The saying The Quick And The Dead was true. Trying to compare the 10mm with the 45ACP is like comparing a bow to a spear. 45 ACP can be found everywhere, and in lots of variety. The .45 Super round is also a good choice for woods protection and hunting with a Glock. The .45 ACP went with the “slower heavier bullet” route while the 9mm went the opposite direction with a lighter high velocity bullets. The 45 1911 did just that. Generally speaking, if you want power in a handgun, a 10mm is a very destructive and powerful caliber, but the .45 acp is also powerful and more popular for self-defense.
The 10mm Auto devotees point out that the 10mm has more energy remaining at 100 yards than the .45 ACP does at the muzzle. In comparing the 450 SMC and the .45 Super to the 10 mm, the ability to shoot less expensive .45 ACP, .45 ACP +P and CCI .45 ACP shot shells for snake and pest control override any slight advantage the 10 mm may have in penetration. The following ammunition cartridge ballistics information and chart can be used to approximately compare 10mm Auto vs .45 Colt (LC Long Colt) ammo rounds. 10mm vs. 357 Mag Muzzle Energy. 9mm and 40 S&W a 35,000 and 9mm Plus +P is 38,000.

The 10mm is more stout on the push. The 45ACP was designed to stop small human in rage type charges while the 40S&W was designed for less recoil and faster follow ups than the 10mm. The 10mm is a better cartridge for game but not ideal for shooting rapid fire at bad guys, much like the 357. Both in the same platform, the 1911.

These two .45’s also have the advantage of … I believe Buffalo Bore loads some full house 10mm loads.
10mm is 37,500 and 357 Sig is 40,000. If you don't, none of them will. Standard 45 ACP operates at 21,000 PSI. 45 ACP Pluas+P is 23,000. But range ammo will be spendy for 10mm. But if you hit someone in the same spot with a 357sig, 10mm, 45acp, or 40sw their response (or lack thereof) will almost certainly be about the same with each. Fans of the .45 ACP counter that the .45 is bigger at 100 yards than the 10mm is at the muzzle. Learn about why and what 1911s in 10mm we like most! 10mm Vs .45 ACP: Making the Right Choice Glock 10mm Pistols : The Stalwart Option Because we’re looking at the bear-busters—the hunting loads here—I’ll leave the defensive ammo subject with one simple suggestion: Hornady 175-grain Flexlock Critical Duty. So now I've got a Glock 20-SF w/ a 9" Lone Wolf barrel 10mm... and a Star Megastar 45 which handles .45 … The 45 hit harder and put your target down more quickly than the 9 mm. The 10mm and 45 have nearly the same recoil if you are shooting 45+p which is what I shoot in my defensive loading. For human consumption, with decent ammo, any of the three will take care of business if you do your part. The quick version is the 10mm has a longer case, but the .45 ACP has a larger projectile. 10mm generally packs higher muzzle energies thanks in large part to the larger bullets. It is very adequate and has a shining track record. The 10mm Auto is the most powerful of the mainstream, semi-auto rounds, with power levels on par with or exceeding the .357 Magnum, though the 10mm uses heavier projectiles that range from about 135 grains to 230 grains (165 to 200 are most common) though lighter loadings are available. Hit your enemy Quickly and He’s Dead.