Brenneke’s engineering concept to lengthen the 57 mm (2.244 in) long M/88 cartridge case to create new for those days very powerful cartridges was essentially sound and he persisted in the development of new cartridges like the commercially successful 7圆4mm along this line. 30-06 Springfield cartridge introduced by the United States Army in 1906.Ĭommercially the 8圆4mm S was after an initial success phase in the period between the World Wars rather unsuccessful. The German military chose however to stick to their 8x57mm IS rifle cartridge avoiding rechambering their service rifles for a larger and heavier cartridge that due to its more favourable bore area to case volume ratio ballistically slightly outperforms the. Brenneke hoped that he could achieve a major success with this round designed in an age when military doctrine expected rifle shots at ranges up to 800 to 1000 m (875 to 1094 yards). The exteriour cartridge case dimensions like overall length and slightly larger case head diameter compared to the German 8x57mm IS military cartridge coupled with a moderate increase in maximum pressure were chosen with easy conversion of Gewehr 98 rifles for the 8圆4mm S in mind.
#1912 MAUSER GEWEHR 98 UPGRADE#
This cartridge is an example of a de novo rifle cartridge (the 8圆4mm S and 6.5圆4mm have no other cartridge as parent case) intended as a ballistic upgrade option for the Mauser Gewehr 98 rifles that were then standard issue in the German military. In 1912 Brenneke designed the 8圆4mm S cartridge. The 8圆4mm is a hunting cartridge in central Europe and can due to its 87.5 mm (3.445 in) overall length fairly easily be chambered in standard sized Mauser 98 bolt action rifles.Īt the start of the 20th century the famous German gun and ammunition designer Wilhelm Brenneke (1865–1951) was experimenting with the engineering concept of lengthening and other dimensional changes regarding standard cartridge cases like the M/88 cartridge case, then used by the German military in their Mauser 98 rifles, to obtain extra muzzle velocity.
As is customary in European cartridges the 8 denotes the 8 mm bullet caliber and the 64 denotes the 64 mm (2.52 in) case length. The 8圆4mm S (also unofficially known as the 8圆4mm S Brenneke) (the S means it is intended for 8.2 mm (.323 in) groove diameter bullets) is a rimless bottlenecked centerfire cartridge developed as a military service round for the German Army who never issued it.
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