PSS-1 Silent Pistol: A Unique Development by Kalashnikov Group
The PSS-1 silent pistol, utilizing the SP-4 cartridge, represents a significant advancement in silent firearms technology. Developed during the 1980s, it was adopted by Soviet special forces and later by various law enforcement agencies.

The PSS-1 silent pistol, chambered for the SP-4 cartridge, was developed at the Central Research Institute of Precision Engineering in the 1980s and adopted by KGB and military units in 1984. Vadim Malinnikov highlighted the innovative design of the cartridge, which contains all propellant gases within the casing, contributing to the pistol's silent operation.
The PSS-1, known for its compact size, surprised many with its capability for quiet firing. Following declassification in 1992, the weapon was made available to additional law enforcement agencies. The PSS-1's unique design may influence future developments in silent firearms.




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