Here’s What You Need To Remember: Today there are more choices of .45 ACP pistols than ever before, as almost all gun manufacturers offer their most modern semi automatic handguns in the big caliber.

Key point: Today, advances in bullet technology means a 9mm round can deliver as much energy as the .45 ACP. The .45 Automatic Colt Pistol round, or .45 ACP as it is commonly known, is fairly ...

The story of the 9mm vs .45 ACP is kind of a strange one. If you asked even self-described “gun people,” they would likely say that the 9mm is the newer cartridge, and the .45 ACP (or .45 Auto) is an ...

Developed shortly before the first world war, the .45 ACP rapidly became one of the most popular pistol cartridges in the world. It was the longest serving sidearm cartridge the United States has ever ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** American Tactical Inc., (ATI), a U ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** It seems several folks have their ...