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The PSS silent pistol or MSS "Vul" ("Вул") is a Soviet handgun that fires specially-designed subsonic 7.62×41 mm SP-4 cartridge. It was first issued to the KGB Spetsnaz in 1983. The weapon is compact just like the Makarov PM, and has a notably wide grip profile.
The original PSS was succeeded by the PSS-2 in 2011, using the more powerful 7.62×43 mm SP-16.
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