The Action, also marketed under the names Corrientes and M.S., was a Spanish pistol produced by Modesto Santos.


The Action was one of many so-called "Eibar" pistols to be produced during World War I on behalf of an open-ended contract from the French Army. The guns were imported to France via a firm called Les Ouvriers Réunies. The original batch was produced in 1915 but an additional production run came around after the war, in 1920, primarily marketed in France.


The Action was a basic blowback-operated pistol derived from the Ruby design. It had no particularly remarkable features, and was offered in both .32 ACP and .25 ACP.

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