Quotulatiousness

May 24, 2024

Grant Hammond .32 ACP Prototype

Filed under: History, USA, Weapons — Tags: , , , — Nicholas @ 02:00

Forgotten Weapons
Published Apr 6, 2015

Grant Hammond is best known (to the extent he is known at all) for a .45 caliber pistol submitted to US military trials in 1917 and 1918. This pistol is a proof of concept prototype embodying some of the concepts that would go into the later .45 caliber pistol, and also showing some concepts that would not see further use. This .32 ACP prototype features a hybrid blow forward / blow back mechanism in which the slide uses a gas trapping system to move forward and the bolt moves backward. It also has a unique system for automatically ejecting the magazine when empty. Truly one of the most mechanically unusual pistols I have ever seen.

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  2. Unique Ross Experimental A2 Pistol Prototype
  3. Colt Model 1929 Prototype .276 Rifle, by Ed Browning

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