delivery of the weapon did not begin until 1953. PPS Submachine Gun The PPS ( Russian : ППС - "Пистолет-пулемёт Судаева" or "Pistolet-pulemjot Sudaeva", in English : "Sudaev's submachine-gun") was a family of Soviet submachine guns chambered in 7.62x25mm Tokarev , developed by Alexei Sudayev as a low-cost personal defense weapon