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5.45×18mm MPTs (7N7)
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Type Pistol cartridge
Place of origin {{ flagcountry/core alias = Soviet Union flag alias = Flag of the Soviet Union.png flag alias-1923 = Flag of the Soviet Union 1923.png flag alias-1955 = Flag of the Soviet Union 1955.png flag alias-naval = Naval Ensign of the Soviet Union.png flag alias-naval-1924 = Naval Ensign of the Soviet Union 1924.png flag alias-naval-1935 = Naval Ensign of the Soviet Union 1935.png link alias-naval = Soviet Navy link alias-ice hockey = Soviet Union national ice hockey team link alias-tennis = Russia {{{mw}}} Cup team size = name = altlink = altvar = variant =
Service history
In service 1973–
Used by Russian military
Russian police
KGB
Production history
Designer A.D. Denisova;
Precision Mechanical Engineering Central Research Institute (TsNIITochmash)
Designed 1970
Manufacturer Tula Arsenal
Produced 1973–
Specifications
Case type Rimless, bottlenecked
Bullet diameter 5.63 mm (Bad rounding hereScript error in)
Neck diameter 6.26 mm (Bad rounding hereScript error in)
Shoulder diameter 6.26 mm (Bad rounding hereScript error in)
Base diameter 7.64 mm (Bad rounding hereScript error in)
Rim diameter 7.64 mm (Bad rounding hereScript error in)
Rim thickness 1.13 mm (Bad rounding hereScript error in)
Case length 18.03 mm (Bad rounding hereScript error in)
Overall length 25.00 mm (Bad rounding hereScript error in)
Rifling twist 270 mm (1 in 10.63 in)
Primer type Berdan or Boxer small pistol
Maximum pressure 175.00 MPa (Bad rounding hereScript error psi)
Ballistic performance
Bullet weight/type Velocity Energy
38.6 gr (Bad rounding hereScript error g) FMJ320 m/s (Bad rounding hereScript error ft/s)128 J (Bad rounding hereScript error ft·lbf)
Test barrel length: 84
Source(s): C.I.P.

5.45×18mm MPTs (7N7) is a Russian pistol cartridge.[1] It is chambered in the PSM pistol and OTs-23 Drotik machine pistol.

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.

The cartridge is designed to use light spitzer-pointed jacketed high velocity bullet. In terms of power, the bullet energy is stated to be up to 1.5 times that of the .25 ACP in a similar sized cartridge. More importantly, it is stated to be capable of penetrating 30–45 layers of Kevlar soft body armor followed by 10 to 15mm of solid pinewood at "realistic engagement distances".

Though the pistol was originally intended to be a pocket pistol for issue to high-ranking Soviet officers, it has reportedly found popularity amongst police and KGB officers as an easily concealed and suppressed operational pistol.

ReferencesEdit

External linksEdit


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