SPP-1 underwater pistol

SPP-1
SPP-1M
TypeUnderwater pistol
Place of originSoviet Union
Service history
In service1975–present
Used byRussia
Production history
DesignerVladimir Simonov[1] at
TsNIITochMash[2] - ЦНИИТочмаш
(Central Scientific Institute for Precision Machine Building)
Designed1960s (Late)
ManufacturerTOZ (Tulsky Oruzheiny Zavod)
(Тульский Оружейный Завод)
Tula Arms Plant[3]
Produced1971–present[4]
VariantsSPP-1M[2]
Specifications
Mass950 grams (34 oz) empty,[2][5]
1,030 grams (36 oz) loaded[6]
Length244 millimetres (9.6 in)[2][5]
Width37 millimetres (1.5 in)[5]
Height136 millimetres (5.4 in)[5]
Cartridge4.5×40mmR[7]
Caliber4.5 millimetres (0.18 in)[2]
Actiondouble action[2]
Muzzle velocity240 to 250 metres per second (790 to 820 ft/s) in air[7]
Effective firing rangein air, 15 to 20 metres (49 to 66 ft);[2]

in water,[5]
17 metres (56 ft) at depth of 5 metres (16 ft);
11 metres (36 ft) at depth of 20 metres (66 ft);

6 metres (20 ft) at depth of 40 metres (130 ft)
Feed system4 barrels with a cartridge in each[2]

The SPP-1 underwater pistol was made in the Soviet Union for use by Soviet frogmen as an underwater firearm.[2] It was developed in the late 1960s and accepted for use in 1975.[8] Under water, ordinary-shaped bullets are inaccurate and very short-range. As a result, this pistol fires a round-based 4.5 millimetres (0.18 in) caliber steel dart about 115 millimetres (4.5 in) long, weighing 12.8 grams (0.45 oz), which has longer range and more penetrating power than speargun spears. The complete cartridge is 145 millimetres (5.7 in) long and weighs 17.5 grams (0.62 oz).[7]

  1. ^ Cite error: The named reference cruffler was invoked but never defined (see the help page).
  2. ^ a b c d e f g h i Popenker, Max R. "SPP-1 underwater pistol Archived 2004-12-09 at the Wayback Machine", world.guns.ru, Retrieved 2010-04-05
  3. ^ Cite error: The named reference toz was invoked but never defined (see the help page).
  4. ^ "ЦАМТО / / Ростех завершил поставки подводного оружия инозаказчику".
  5. ^ a b c d e Cite error: The named reference manu was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference spp1m was invoked but never defined (see the help page).
  7. ^ a b c “4.5-mm SPS underwater fire cartridge Archived 2008-06-17 at the Wayback Machine”, Tsniitochmash, Retrieved 2010-04-05
  8. ^ "Russia upgrades amphibious rifles for commando swimmers | weapons defence industry military technology UK | analysis focus army defence military industry army". 24 January 2020.