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Anyone know if there are substantial ballistic performance differences in quality .45 hollow point defense ammo between a standard 5-inch barrel and a 3.5-inch barrel? Someone mentioned to me a while back that the .45 ACP cartridge, having been originally developed for the 5-inch M1911 barrel, loses some of its punch out of a 3.5-inch barrel. Would a 4-inch barrel with officer-size frame be any better than the 3.5-inch barrel?

I don't currently own a .45, so just curious as I plan to one day buy a 1911-pattern pistol.

Also if anyone can compare this to say a 3.5-inch or 4-inch .40-caliber ballistics? I've also heard that .40-cal was developed to be fired from a 4-inch barrel? I currently carry .40-cal Glocks, thus the reason I'm interested in the comparisons.

All of the above is just rumors/speculation/"gun talk" at ranges and such. So if I'm dead wrong about any of it, please EDUCATE the messenger instead of shooting him