No. 45 ACP is approximately 11.5 millimeters, so 10mm is slightly smaller in diameter.
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.
You can fire a .45 ACP cartridge through a .45 ACP pistol - and only a .45 ACP pistol. The various .45 cartridges (.45 ACP, .45 Long Colt, .45 GAP, etc.) are not interchangeable with each other.
The .45 GAP is a shorter cartridge than the .45 ACP. Developed for the Glock Automatic Pistol (that's the GAP) it does not interchange with the .45 Colt Automatic Pistol (ACP). Made for a smaller firearm, shorter action, etc.
ACP stand for Automatic Colt Pistol
No. The .45 ACP catridge is longer than the .45 GAP cartridge.
.45 ACP means Automatic Colt Pistol. It IS .45 Auto.
Yes, 67 is bigger than 45.
No. The 45 ACP (which means 45 Auto) cannot use the .45 GAP or the .45 Magnum.
9mm target ammunition is commonly less expensive than .45 ACP.
If it's chambered for the .45 ACP cartridge, yes.
Both. .45 Auto and .45 ACP are the same round.
Nope. Matter of fact, you can't even load it. The .45 Automatic Colt Pistol (ACP) cartridge is longer than the .45 Glock Automatic Pistol cartridge (GAP). And the model 37 IS in .45 GAP. Both rounds headspace off the case MOUTH- the .45 ACP is too long for the slide to go into battery (close the action). And, with the exception of some revolvers, you cannot shoot .45 GAP in an .45 ACP firearm.