The desire for adopting new shorter barreled rifles and the introduction of the Karabiner 98k were reasons for changing the standard German service ball rifle cartridge. The 1903 pattern 7.92×57mm Mauser "S Patrone" produced excessive muzzle flash when fired from arms that did not have a long barrel like the Gewehr 98. It was found that the "s.S. Patrone", originally designed for long range machine gun use, produced less muzzle flash out of rifles that had a shorter barrel and also provided better accuracy. Because of this the "S Patrone" was phased out in 1933 and the "s.S. Patrone" became the standard German service ball cartridge in the 1930s when the German rearmament program started.