An armorer test fires the PSS silent pistol. (Photo by Dan Shea) Little is known in the Western world of the Soviet silent pistols utilizing special silent ammunition. The package consists of the model PSS (Pistolet Sptsialnyj Samozaryadnyj) silent pistol and the special SP-4 captive piston ammunition. The testing performed consisted of evaluation of the … Continue reading Beyond Quiet: The Russian PSS Captive Piston Pistol