Firearms Facts Episode 22: The 45 ACP

Published on June 9, 2013
Duration: 5:02

This comprehensive overview delves into the history, development, and modern applications of the .45 ACP cartridge. It highlights key firearms like the Colt Model 1905, Remington R1, and Smith & Wesson 1917, alongside specialized ammunition such as the Federal Guard Dog. The content emphasizes the .45 ACP's legacy as a primary US sidearm and its continued relevance for its stopping power, drawing on expert insights into historical and technical aspects.

Quick Summary

The .45 ACP cartridge, developed by John Moses Browning in 1905 and adopted by the US Army in 1911, served as the primary US sidearm for 74 years. It's known for its stopping power and is featured in iconic firearms like the 1911 platform and historical revolvers. Specialized ammunition like Federal Guard Dog offers unique feeding and expansion characteristics.

Chapters

  1. 00:00History and Development of .45 ACP
  2. 01:18Remington R1 1911 Overview
  3. 01:47Smith & Wesson 1917 Army Revolver
  4. 02:36Specialized Ammunition: Federal Guard Dog
  5. 03:16Modern Defensive Ammunition Options

Frequently Asked Questions

What is the history of the .45 ACP cartridge?

The .45 ACP was developed by John Moses Browning in 1905 and adopted by the US Army in 1911. It served as the primary US sidearm for 74 years until replaced by the Beretta M9 in 1985, known for its historical significance and stopping power.

What are some notable firearms chambered in .45 ACP?

Key firearms include the Colt Model 1905, the iconic 1911 platform (represented by models like the Remington R1), and historical revolvers such as the Smith & Wesson 1917 Army Revolver, which utilized moon clips.

What is special about Federal Guard Dog ammunition?

Federal Guard Dog ammunition features a rubber ball core inside the jacket. This design aims to ensure reliable feeding in older firearms while promoting controlled expansion upon impact, offering a unique balance of penetration and "smash" factor.

Why is the .45 ACP still preferred by some military groups?

Despite advancements in smaller calibers, many military groups continue to prefer the .45 ACP for its proven stopping power. This characteristic has cemented its reputation as a highly effective defensive cartridge over decades of use.

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