Nothing, two names for the same round.
There is no difference. ACP stands for Automatic Colt Pistol.
Nothing.
Yes- 7.65mm is the metric designation for .32 ACP (Automatic Colt Pistol) which is same as .32 Auto.
Yup.
.25 acp
ACP stands for Automatic Colt Pistol. They are the same.
ACP and auto are used to say the same thing. Automatic Colt Pistol.
Yes- IF IT IS THE CORECT CARTRIDGE. .45 ACP (Automatic Colt Pistol) may also be known as .45 Auto. It is NOT the same cartridge as .45 GAP (Glock Auto Pistol) or .45 Colt (revolver cartridge).
Nothing, two names for the same round.
Have it checked over by a gunsmith first.
Yes, .45 ACP.
.32 Auto IS .32 ACP (Automatic Colt Pistol). It's also known as 7.65x17SR, 7.65x17 Browning, and 7.65x17 Browning SR.