The APS is a fully automatic Machine Pistol of Soviet origin, Also known as the Stechkin. The name means, "Avtomaticheskiy Pistolet Stechkina", English: "Automatic Pistol by Stechkin."
The APS can hold 20 round APS mags, and fires the same round as the Makarov PM. This makes it superior in terms of firepower to any semi-automatic pistol, Though the G17 is more Accurate. It cannot take any other magazines and has poor iron sights, meaning it can be difficult to keep it shooting for long periods of time. The only comparable gun, the PDW, Can take a variety of magazines, from the M9 mag to the MP5 mag, Making it an ideal zombie killer, though it is rarer.