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my opinion is the 45 ACP round has more knock down powder then the 40 caliber
Depends on make and model of the firearm. In general, most .25 ACP pistols have a six or seven round magazine.
Both. .45 Auto and .45 ACP are the same round.
No. The ACP has no rim so it cannot be used in a revolver that is not designed to hold the cartridges in a clip. It is also slightly smaller in diameter than the LC (shorter, too, but that shouldn't matter in a revolver). But mostly, if you could get around those differences, the ACP uses smokeless powder and the LC was designed for black powder.
It is a cartridge for the .45 caliber automatic Colt pistol. It is the standard cartridge- the bulet weighs 230 grains, and is typically a round nosed full metal jacketed bullet.
Less powder for its size.
.380 ACP is a specific type of ammunition made. 380 LCP is the name of a Pistol, made by Ruger which fires the .380 ACP round.
The .32 ACP version of the Walther PPK has a magazine capacity of 7-rounds. The .380 ACP version holds 6-rounds. Additionally, another round can be held in the chamber.
No. It is chambered for the .45 ACP cartridge.
Aside from the uncommon .45 GAP chambered Glocks, yes. Check the marking on your barrel for the .45 ACP marking.
.45 auto and .45ACP are the same round.
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.