.45 auto and .45ACP are the same round.
ACP means Automatic Colt Pistol. .45 ACP and .45 Auto are the same cartridge. .45 Colt and .45 Auto Rim are a revolver cartridge. .45 GAP (Glock Auto Pistol) is a shorter round than the ACP, and does not interchange with it.
No. The 45 ACP (which means 45 Auto) cannot use the .45 GAP or the .45 Magnum.
Nothing, .45 auto is just another name for .45ACP.
.45 ACP means Automatic Colt Pistol. It IS .45 Auto.
the .45 Auto CBC is a cartridge for a Semi- Automatic Handgun.
45 ACP can be used in both auto and revolver. The revolver must have a 45 ACP cylinder.
Yes
Anything you want.
Nothing, two names for the same round.
ACP and auto are used to say the same thing. Automatic Colt Pistol.
Yes, .45 ACP.