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When the Germans took over control of the Czechoslovakian arms industry, they took some time to work out what out to be mass produced at the Brno factory. In the interim, they decided to restart production of the Czech vz33 Mauser carbine as the Gewehr 33/40 for German mountain troops. This was a truly short carbine with a 19.4 inch (490mm) barrel, which the Czechs had used for mostly police applications. German had used a short carbine back before World War One, but with Spitzer ammunition it was deemed too harsh shooting (both blast and recoil) to be worth the reduced length. Well, that calculation was different for mountain troops.
The G33/40 also had a distinctive added metal plate on the left side of the stock to help protect it in mountain use. The G33/40 would remain in production for three years, from 1940 until 1942 (after which the rifle production changed to standard K98ks). About 130,000 were made, with 945 receiver codes in 1940 and dot codes thereafter.
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