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Concept
Vz. 33
Résumé
The puška vz. 33 ("rifle model 1933", sometimes referred to as krátká puška vz. 33 – "short rifle model 33") was a Czechoslovak bolt-action carbine that was based on a Mauser-type action, designed and produced in Československá zbrojovka in Brno during the 1930s in order to replace the obsolete Mannlicher vz. 1895 carbines of the Czechoslovak četnictvo (gendarmerie). The manufacturer's designation was vz. 16/33 (model 16/33). Another version, the Vz. 12/33, was also produced for the Latin American market.
The design of the Vz. 12/33 was partially based on the Mauser Musketon M12, produced by Steyr prior to World War I but this carbine was also mostly a shortened version of the standard Czechoslovak Army vz. 24 rifle. The action was a "small ring" design similar to that found on the German Karabiner 98AZ issued during World War I. As the name implies, the receiver ring is of slightly smaller diameter than the standard Model 98 action, intended to lighten the weapon at the expense of a slight reduction in action strength and safety margins. Most small-ring variants are readily distinguishable as there is no step between the ring and the left receiver wall. However, the vz. 33 has a lightened, thinner left receiver wall, so the step is present making it superficially resemble the standard, 'large ring' action. Excess metal is removed from the rear receiver bridge around the stripper clip guide, and there are other lightening cuts. The bolt is the same as that of the standard Model 98, with the exception of the bolt handle which has a different profile and a hollowed-out ball. The tangent rear sight of the Vz. 12/33 is graduated up to while the Vz. 16/33 was graduated from in increments and with in .
The significant lighter weight of the vz. 33 carbine compared to the vz. 24 rifle increased free recoil and the shorter barrel increased muzzle blast and flash during firing.
The designation vz. 12/33 was probably not used outside Czechoslovakia.
In the 1930s, many Latin American countries ordered vz. 12/33 carbines.
Source officielle
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