More weapons:
[Colt M1917][M1 Garand][M1 Carbine][M1A1
Carbine]
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Proof &
Acceptance marks on US&S pistols
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"R.C.
Downie" |
Ordnance
Department
"Crossed Cannon" |
"P" proof
mark |
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R.C.D.
Left side of frame below slide stop
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NOT used on US&S
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P
After about serno 1,060,000 a "P" is present
on top of the slide and at the magazine release, stamped
after finish.
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See
a detailed - IMAGE
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HISTORY
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The Union Switch and Signal Company
of Swissvale, Pennsylvania, was the last organization to receive a
wartime contract for Model 1911A1 pistols. Negotiations with
Pittsburg Ordnance District resulted in a "Letter of Intent", dated
April 6, 1942, for the manufacture of 200,000 pistols. The formal
contract was signed on May 5th. Two floors of an existing building
in their factory complex were arranged for production, and other
building was set up for heavy machining operations.
A number of lunchbox pistols also found their way out of the plant.
the first 102 production pistols were accepted by Ordnance
inspectors in January 1943. Since all of the machine tools had not
yet been delivered, these first pistols were assembled with a number
of parts transferred from Colt and Remington Rand. When production
reached full capacity in March, US&S manufactured the following
seventeen parts:
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