The great caliber debate always rages - 9mm vs .40 vs .45. There are those who have each one as his or her favorite and are prepared to say theirs is the best. Does it really matter? These days if you use a good hollow point, the size of the bullet really doesn't matter all that much. What really matters if you hit the target or not. It really depends with your skill with a particular weapon ...

9mm vs .40 S&W. There’s a lot of focus on terminal ballistics and muzzle energy and whatnot. But, once upon a time, a firearms and defensive tactics instructor at an Ohio police department did a ... Sep 18, 2018 · The 9mm vs 40 S&W vs 45 ACP debate has been raging for a long time. ... Also, if you are shooting for home defense and are carrying a very good hollow point, if that ... Nov 14, 2016 · Regardless of the size of the handgun, it will hold more 9mm cartridges than .40 S&W, and more .40 S&W cartridges than .45 Auto. Putting an exact number on this is impossible. However, by again comparing similar sized Glocks, we see the 9mm (Glock 17) holds 17 rounds, the .40 S&W (Glock 22) holds 15 rounds, and the .45 Auto (Glock 21) holds 13 rounds.