SIG MP 1918 submachine gun
This blowback-operated prototype was
developed at SIG from around 1918 - 1920, under the direction of
Gotthard End. It was chambered in the 7.65mm Parabellum cartridge and
fed from Swiss Luger magazines of 8, 13, or 16 rounds. The design
appears to have been influenced to some extent by the German M.P.18,I,
a variant of which was later produced by SIG from 1920 - 1927. The SIG
prototype submachine gun was made on an experimental basis only and
was apparently trialed by the Swiss Army in 1918, but failed to
generate sufficient interest and was never put into serial production.
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