The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm[1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his …

Jul 19, 2022 · Learn all you need to know about .45 ACP ballistics, history, applications, and much more to find out why you should choose this caliber.

The famous .45 Automatic Colt Pistol cartridge was designed by John Browning in 1905 for a prototype service pistol. The U.S. Army tested both the pistol and cartridge and requested some changes, …

Dec 8, 2022 · A 230-grain, .45-cal. bullet with proper placement is capable of effectively putting an assailant down. The .45 ACP cartridge also has the very desirable characteristic of being inherently...

From budget Rock Island guns around $500 to a custom Wilson Combat pushing $3,000, there’s a .45 for every shooter and every wallet. We test fire four 5-round groups from a bench rest at 25 yards to …

Dec 16, 2025 · Find Your Perfect .45 Pistol In 2025! Our Top 8 Picks, Tested In December, Await.