Schmidt Rubin K31/43
Serial No: 451530
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The Schmidt–Rubin rifles were a series of Swiss
Army service rifles in use between 1889 and 1958.
They are distinguished by the straight-pull bolt action invented by Rudolf
Schmidt and use Eduard Rubin's 7.5×55mm Schmidt–Rubin rifle
The Karabiner Model 1931 (K31) is a magazine-fed, straight-pull
bolt action rifle. It was the standard issue rifle of the Swiss armed
from 1933 until 1958 though examples remained in service into the 1970s.
It has a 6-round removable magazine, and is chambered for the 7.5×55mm
K31/42 & K31/43
Trials began at the Schiess Schule at Walanstad using
Zeiss, Wild, Gerber and the
Kern telescopic sights. Initially the 1.8x Kern sight was selected in
1940 with a hundred pre production rifles being made in 1943.
The Swiss officially adopted their first sniper rifle in the form of the
Zfkar K31/42 (Zeilfernrohrkarabiner).
The K31/42 was fitted with a permanently mounted Kern 1.8x telescopic
sight on the left side of the receiver and was unique in that the
objectives lens could be rotated up like a periscope.
Approximately 2240 rifles were manufactured in the Eidgenossische Waffenfabrik
between 1944 and 1946, however in 1945 the
K31/42 was upgraded to the K31/43 model which was fitted with the more
powerful Kern 2.8x telescopic sight.
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