Grant Hammond .45ACP Trials Pistol

Published on January 14, 2016
Duration: 6:27

This expert-level review delves into the Grant Hammond .45 ACP trials pistol, a rare US military prototype from 1917-1918. The video highlights its unique design features, including a short recoil system and an innovative, though ultimately problematic, magazine ejection mechanism. Despite initial accuracy, reliability issues and a high malfunction rate prevented its adoption, making it a fascinating historical artifact for collectors.

Quick Summary

The Grant Hammond .45 ACP pistol was a US military trials firearm from 1917-1918, designed by Grant Hammond. Despite good accuracy, it suffered from 154 malfunctions in a 5000-round test due to issues with its locking plunger system, preventing adoption.

Chapters

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

Frequently Asked Questions

What was the Grant Hammond .45 ACP pistol?

The Grant Hammond .45 ACP pistol was a prototype firearm tested by the US military in 1917-1918. Designed by Grant Hammond, it aimed to offer an alternative to the M1911 but suffered from significant reliability issues.

Why was the Grant Hammond .45 ACP pistol not adopted by the US military?

Despite initial accuracy, the Hammond pistol failed military trials due to a high number of malfunctions (154 in a 5000-round test) and broken parts, primarily related to its locking plunger system, which prevented military-grade reliability.

What were the key design features of the Grant Hammond .45 ACP pistol?

It featured a short recoil operating system with a vertically traveling plunger for bolt locking. Unique features included a modified magazine ejection system and a bolt that locks open only when the empty magazine is removed, automatically closing upon magazine insertion.

How many Grant Hammond .45 ACP pistols were made?

A total of only 18 Grant Hammond .45 ACP pistols were produced across two variations, making them extremely rare and highly sought-after by firearms collectors and historians.

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