4.5mm SPP-1MSpecial Underwater Pistol

Special Underwater Pistol

Mission

The SPP-1M underwater pistol is designed to arm combat divers. The weapon is effective at ranges of up to 17 m underwater, depending on a diving depth, and of up to 20 m in the air. Features

The pistol fires the 4.5mm SPS rounds with steel bullets.

The weapon is non-automatic, four-barrel, smooth-bore. The barrels are fired in succession. A trigger-type mechanism is a hammer-action, self-loading one. The weapon is cocked by pulling the trigger. Firing is possible with the use of the hammer only.

Basic specifications

Cartridge SPS Muzzle velocity in air, m/s 250 Effective range of fire under water, m: at 5 m 17 at 10 m 14 at 20 m 11 in air 20 Empty weight, kg 0.95 Length, mm 244 Ammunition load, rds 16 in clips

To load and unload the pistol, the breech block is to be turned upwards, the way hunting rifles are operated. Four rounds in a clip are simultaneously put into the barrels.

Operational safety of the pistol is ensured by a safety catch used to block the trigger and hammer.

A sighting system comprises a fixed foresight and a backsight.

A complete set of the SPP-1 pistol includes ten cartridge clips, a holster, a device for loading the SPS cartridges into clips, a special sling for carrying the pistol, and three metal containers for loaded clips.

Special coating is applied to protect the pistol in sea water.