Grant Hammond .45ACP Trials Pistol

Published on January 14, 2016
Duration: 6:27

This entry details the Grant Hammond .45 ACP trials pistol, a rare prototype tested by the US military in 1917-1918. Expertly presented by Forgotten Weapons, the analysis covers its designer, Grant Hammond, its innovative but unreliable short recoil mechanism, unique magazine handling, and the critical reliability issues that prevented its adoption. Despite its flaws, the pistol is recognized as a significant piece of firearms history and a desirable collector's item due to its rarity and experimental nature.

Quick Summary

The Grant Hammond .45 ACP pistol was a rare prototype tested by the US military in 1917-1918. Designed by Grant Hammond, it featured a short recoil system but suffered from critical reliability issues, experiencing 154 malfunctions in a 5000-round test, preventing its adoption. Only 18 were produced, making it a highly collectible piece of firearms history.

Chapters

  1. 00:00Introduction: Hammond .45 ACP Trials Pistol
  2. 00:24Designer Grant Hammond & Pistol Origins
  3. 01:11US Military Trials & Malfunctions
  4. 02:07Magazine Ejection System Variations
  5. 03:04Internal Mechanics & Reliability Issues
  6. 04:04Unique Bolt Catch & Safety Feature
  7. 05:16Magazine Plunger Mechanism Detail
  8. 06:06Conclusion: Collector's Item

Frequently Asked Questions

What was the Grant Hammond .45 ACP pistol?

The Grant Hammond .45 ACP pistol was a prototype firearm submitted for US military trials in 1917-1918. Designed by Grant Hammond, it aimed to outperform the existing 1911 pistol but suffered from significant reliability issues.

Why was the Hammond Automatic Pistol not adopted by the military?

Despite initial accuracy, the Hammond Automatic Pistol failed military endurance tests due to a high number of malfunctions (154 in 5000 rounds) and broken parts, such as locking plungers and extractor springs, rendering it unreliable for service use.

What were the unique features of the Hammond Automatic Pistol?

Key features included a short recoil system, a vertically traveling locking plunger, and a distinctive magazine handling system. The second variation ejected the magazine about an inch upon release, and the bolt automatically closed when a full magazine was seated.

How rare is the Grant Hammond .45 ACP pistol?

The Hammond Automatic Pistol is extremely rare, with only 18 units produced in total across its two variations. Fewer than 10 of the first variation were made, making it a highly sought-after collector's item.

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