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4.5 × 39 mm Russian

4.5 × 39 mm Russian

Category

Ammunition, Missiles and precision weapons
Ammunition, Missiles and precision weapons

The 4.5 × 39 mm Russian is a synonyms 4.5 × 39 mm SPS; 4.5 Underwater Armament TsniiTochMash (Russian) Model SPP-1 and SPP-1 M underwater pistols. Development This cartridge and associated SPP-1 underwater pistols were developed by Soviet military for special operations' use against underwater swimmers in the late 1960s. Little is known of the actual development of the Russian underwater firearms, other than the fact that they were developed and fielded in 1971 and remained unknown in the West until recently. The

SPP-1 underwater pistol and APS underwater assault rifle continue in operational use today. Weapons and ammunition are now available for sale to western military forces. Description A rimmed, bottlenecked brass case, Berdan primed. The primer annulus and case mouth are sealed against entry of water. The steel bullet is extremely long (ratio 25:1) in relation to its calibre. This is in order to stabilise the bullet in water; the bullet does not stabilise in air. RUSSIAN FEDERATION Manufacturer State arsenals Type: Ball: Steel; 13.2 g; Mv; 250 m/s.
Tech Specs
Round length145 mm
Round weight18 g
Bullet weight13.2 g
Bullet diameter4.5 mm
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