In February 1934 the Heereswaffenamt (Army Weapons Agency) ordered the adoption of a new military rifle. I have been told a 22 but does it not make sense that a 20 or 21 would be a tighter fit than a 22? I think the closest to a 7/8 is a 21mm. What mm socket is the closest to a 7/8? 7/8 is a little to big. The German Gewehr Prfungs Kommission (GPK - Rifle Testing Commission) at Spandau Arsenal – Germany’s equivalent of the American Springfield Arsenal, set to work designing a new cartridge and a new rifle to chamber it.

The Germans, not wanting to be at a disadvantage, found it necessary to follow suit. The Karabiner 98k therefore continues to appear in conflicts across the world as they are taken out of storage during times of strife. Millions were captured by the Soviets at the conclusion of World War II and were widely distributed as military aid. Although supplemented by semi- and fully automatic rifles during World War II, it remained the primary German service rifle until the end of the war in 1945. It was one of the final developments in the long line of Mauser military rifles. The Karabiner 98 kurz ( German: 'carbine 98 short', often abbreviated Kar98k or K98k and often incorrectly referred to as a “K98” (which was a Polish Carbine) is a bolt-actionrifle chambered for the 7.92×57mm Mauser cartridge that was adopted on 21 June 1935 as the standard service rifle by the German Wehrmacht. Mauser (augmented by several other makers)

From the collections of the Swedish Army Museum Karabiner 98k in mint condition, made in 1940.

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