The .45 Colt (11.43×33mmR), often called the .45 Long Colt, is a rimmed straight-walled, centerfire [1] handgun cartridge dating to 1872. It was originally a black-powder revolver round …

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The .45 Colt cartridge, sometimes called .45 Long Colt, is a rimmed, centerfire revolver round that has been a staple in American firearms history since its introduction in 1872.

The .45 Colt, sometimes called the .45 Long Colt to distinguish it from the short .45 cartridge historically required by the S&W Schofield revolver, as well as the .45 ACP (also sometimes, …

Oct 28, 2022 · The .45 Long Colt was a product of Colt's Patent Firearms Manufacturing Company and the Union Metallic Cartridge Company, which was called Connecticut home. It …

May 5, 2025 · Explore the legendary history of the .45 Colt cartridge—its origins, military use, cowboy lore, and enduring appeal to collectors.

Jul 3, 2025 · The “Long Colt” nomenclature has never been an official part of the cartridge’s name; it was just a means to differentiate the longer Colt case from the shorter .45 Schofield, …

Oct 4, 2016 · While either term is correct, 45 Long Colt was really just a nickname. The majority of ammunition manufacturers stamp their cases with “45 Colt” as do the majority of firearm …

The caliber choices still make sense The original .45 Colt cartridge gave the Single Action Army its punch, and it still does. It’s powerful, controllable, and easy to reload for.