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No. 12947
The muzzle velocities and raw stopping power are much different in all three of those. The reason 9mm is standard is tact; the army switched from the colt 1911 .45 to the M9 9mm. The .45 was called the manstopper for a good reason, as it tends to mess the shit out of what it hits. The 9mm on the other hand was adopted because it would maim more than kill. In maiming one enemy, it takes two healthy opponents to carry/drag their comrade to safety/medical help. Thus you eliminate the amount of gunfire coming back at you, as the guy you just shot is dragged away by his buddies, who have their hands too full to aim at you anyway. In a zombie apocalypse however, the headshot is most important and can be done by pretty much any projectile weapon (lawn darts, pellet gun, .22). the 9mm ammo is just more abundant on the run, although if you bought two or three boxes of .22 ammo you'd be much better off.
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