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5.45×18mm

5.45×18mm MPTs (7N7)
TypePistol
Place of originSoviet Union
Service history
In service1973–present
Used byRussian military
Russian police
KGB
Production history
DesignerA.D. Denisova; A.I. Bochin; L.S. Nikolayeva; G.P. Shamina
[1]
Designed1969–1970
ManufacturerTula Arsenal
Produced1973–present
Specifications
Case typeRimless, bottleneck
Bullet diameter5.63 mm (0.222 in)
Neck diameter6.26 mm (0.246 in)
Shoulder diameter7.4 mm (0.29 in)
Base diameter7.64 mm (0.301 in)
Rim diameter7.64 mm (0.301 in)
Rim thickness1.13 mm (0.044 in)
Case length18.03 mm (0.710 in)
Overall length25.00 mm (0.984 in)
Rifling twist270 mm (1 in 10.63 in)
Primer typeBerdan or Boxer small pistol
Maximum pressure175.00 MPa (25,382 psi)
Ballistic performance
Bullet mass/type Velocity Energy
3 g (46 gr) FMJ 320 m/s (1,000 ft/s) 128 J (94 ft⋅lbf)
Test barrel length: 84 mm
Source(s): C.I.P.

5.45×18mm MPTs (7N7) is a Soviet pistol cartridge.[2] It is chambered in the PSM pistol, OTs-23 Drotik machine pistol, and OTs-26 pistol.

History and design

[edit]

It was designed in the Soviet Union in the early 1970s by Antonina D. Denisova at the Precision Mechanical Engineering Central Research Institute (TsNIITochmash). The development was done in concert with that of the PSM.[citation needed]

The cartridge is designed to use light spitzer-pointed jacketed bullets.[citation needed]

Variants

[edit]
  • 5.45×18mm 7N7 (7Н7): spitzer-pointed full metal jacket bullet with steel conical core.[3] The bullet energy is stated to be up to 1.5 times that of .25 ACP in a similar sized cartridge. It is stated to be capable of penetrating 45 layers of Kevlar soft body armor at close distances.[4]
  • 5.45×18mm PSO (ПСО): spitzer-pointed full metal jacket bullet with lead core.[5]
  • 5.45×18mm 7H8 (холостой патрон 7Х8): blank cartridge[citation needed]

References

[edit]
  1. ^ "5,45-мм пистолетный патрон обр.1970 года (индекс 7Н7) для стрельбы из пистолета ПСМ ... был сконструирован в конце 1960-х годов инженерами ЦНИИТМ А. И.  Бочиным, А. Д.  Денисовой, Л. С. Николаевой и Г. П.  Шаминой."
    Сергей Монетчиков. Оружейная мастерская: пистолетные патроны Archived 2013-12-02 at the Wayback Machine // журнал для спецназа "Братишка", август 2011
  2. ^ "Modern Firearms – Special purpose small arms ammunition of USSR and Russia". Archived from the original on 2010-09-15. Retrieved 2009-06-05.
  3. ^ В.И. Молчанов, В.Л. Попов, К.Н. Калмыков. Огнестрельные повреждения и их судебно-медицинская экспертиза. Руководство для врачей. Л., "Медицина", 1990. стр.218
  4. ^ "Применяемый для стрельбы патрон, имеющий одинаковые габариты с патроном Браунинга калибра 6,35 мм, в 1,5 раза превосходит его по дульной энергии. Малый калибр, остроконечность и твёрдость пули позволяют ей пробивать мягкие бронежилеты из 45-и слоёв кевларовой ткани... Пуля пистолета обладает весьма низким останавливающим действием"
    ПСМ // А. И. Благовестов. То, из чего стреляют в СНГ: Справочник стрелкового оружия / ред. А. Е. Тарас. — Минск: «Харвест», 2000. стр.78-80
  5. ^ Патрон 5,45х18 мм // А. И. Благовестов. То, из чего стреляют в СНГ: Справочник стрелкового оружия / ред. А. Е. Тарас. — Минск: «Харвест», 2000. стр.521
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5.45×18mm
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