Original upload date: Mon, 06 Nov 2017 00:00:00 GMT
Archive date: Sun, 05 Dec 2021 07:26:39 GMT
Virtually all nations in World War One had a periscope trench rifle of some sort, and the United States was no exception - although it was not formally adopted. The Cameron-Yaggi conversion was develo
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ped by James Cameron and Lawrence Yaggi of Cleveland Ohio, and submitted to the US Ordnance Department in late 1917. About 12 prototypes were made in total, all slightly different - and none was actually adopted before the war ended.
The Cameron-Yaggi conversion is notable for its rigidity and smooth operation, allowing sighting, firing, and bolt cycling from a concealed position. Most trench rifles are rather rickety devices, but not this one. Both 1x and 4x magnified periscope sights were experimented with, and a 25-round extended magazine was fitted in order to maximize the utility of being able to operate the bolt from the firing position. The device added about 6 pounds to the weight of the rifle, which certainly helped reduce recoil - and it did not require and significant modification to the host rifle!
This Cameron-Yaggi conversion is from the Bruce Canfield collection, previously in the Brophy collection.
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