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Cartridge 5,45h18 mm MOC

Cartridge 5,45h18 mm MOC

This munition designed Antonina Dmitrievna in Denisova 1975 g. for small-size PSM pistol. The cartridge case bottle with a slight taper, bullet shell, It has a steel core and a lead. The bullet head with a blunt pointed nose (to reduce the possibility of ricochets). Due to its small diameter and pointed bullet, getting into the soft (Kevlar) body armor does not break the thread armor fabric, and pushes them. As a result, it penetrates body armor, retaining more powerful bullet cartridges (9x17 mm and 9x18 mm).

Cartridge 5,45h18 mm MOC

In the mid-1960s. It started the development of a compact pistol, convenient for concealed carrying. At the same time needed to create the appropriate munition. World famous 6,35 and 7.65 mm "Browning" bullets did not satisfy the customer because of its low energy. The idea of ​​creating such weapons in the caliber 5,45 mm arose under the influence of successful completion of work on submachine gun cartridge of the same caliber. The initiative to create both of these cartridges belong mainly to the Director TSNIITOCHMASH VM. Sabelnikov.

research, conducted Denisova showed, that stopping action can be obtained with a relatively long and restricted stabilized pool, close to 9mm bullets regular pistol PM. When the corresponding core solid barrier penetrability such bullets is higher. Waste embodiment chuck 5,45h18 MOC (small-caliber pistol central battlefield) with bottle sleeve (after adopting it received index 7N7) These characteristics have been fully confirmed.

Cartridge 5,45h18 mm MOC

The cartridge has a brass sleeve and the steel bullet, covered with red brass shell, fixed in the pocket three points punching. Lac-encapsulation red color is applied to the junction of the bullet-sleeve and on the perimeter of the capsule.

The new gun was intended for senior armed forces commanders, Soon, however, interested in operational service of the MVD and KGB. AT 1974 g. It has been adopted 5.45mm pistol PSM (small self-loading pistol) under the new 5.45-mm pistol cartridge.

Cartridge 5,45h18 mm MOC

5,45 mm Pistol cartridge with bullet with leadcore

cartridge Features
caliber 5,45h18PSM
The length of the cartridge, mm . 24,5…25,0
cartridge Weight, 4.80 ... 4.82 g

Characteristics of the propellant charge
Type of smokeless gunpowder, piroksilinovyi. Mark gunpowder Sf040.
The weight of powder charge, 0.15 ... 0.17 g
loading density, g / sm3 0,68
The maximum pressure of propellant gases, MПa 132,7
The shape and size of the powder grains cylindrical plate (cake)
outside diameter, mm 0.28 ... 0.41
thickness, mm 0.11 ... 0.14

Features bullets
bullet type shell
bullet weight, g 2.55 ... 2.60
bullet Length, 14.0 mm ... 14.2
The diameter of the leading part of the bullet, mm 5.59 ... 5.70
bullet Shear load, g / cm2 10,4
Ballistic coefficient bullets, m2 / kg 11,46
Bullet Jacket Material Steel, plakyrovannaya tombac
bullet shell Weight, g 0.80 ... 0.85
Material lead bullet core doped with 1 ... 2% antimony
Weight of core nudi, g 1.7 ... 1.8

Specifications sleeve
The shape and type of cartridge bottle, jointless
Mass sleeve with primer, g 2.09 ... 2.10
The length of the sleeve, 17.8 mm ... 18.0
Free volume of the sleeve, cm3 0,426
The volume of the liner with a bullet planted, cm3 0,25
Material brass sleeve
A method of fastening a bullet tight fit and 3-point PUNCHING

additional information
Bore area 0,266 (PSM pistol),cm2
Muzzle velocity (PSM pistol), m / s 315 ... 325
Muzzle energy bullets (gun PCM), J. 126.5 137.3 ...

5,45 mm Pistol cartridge with bullet with steel core (MPC, 7n7)

cartridge Features
Caliber PSM 5,45 × 18
The length of the cartridge, 24.5 mm ... 25.0
cartridge Weight, 4.78 ... 4.80 g

Characteristics of the propellant charge
Type of smokeless gunpowder, piroksilinovyi
Mark gunpowder , Sf040
The weight of powder charge, 0.15 ... 0.17 g
loading density, g / sm3 0,68
The maximum pressure of propellant gases, MPa 132,7
The shape and size of the powder grains cylindrical plate
(cake)
outside diameter, mm 0.28 ... 0.41
thickness, mm 0.11 ... 0.14

Features bullets
Type bullet shell
bullet weight, 2.40 ... 2.45 g
bullet Length, mm 14(2…14,3
The diameter of the leading part of the bullet, mm ., 5,59…5,70
bullet Shear load, g / cm2 9,7
Ballistic coefficient bullets, m2 / kg 11,94
Building material bullet steel shell, plakyrovannaya tombac
bullet shell Weight, g 0.80 ... 0.85
bullet core material steel St. 10
Weight of core bullets, g 0.51 ... 0.55

Specifications sleeve
The shape and type of cartridge bottle, jointless
Mass sleeve with primer, g 2.09 ... 2.10
The length of the sleeve, 17.8 mm ... 18.0
Free volume of the sleeve, cm3 0,426
The volume of the liner with a bullet planted, cm3 0,25
Building material brass sleeve
A method of fastening a bullet tight fit and 3-point PUNCHING

additional information
Bore area 0,266
(PSM pistol), cm2
Muzzle velocity (gun PCM), m / s 315 ... 325
Muzzle energy bullets (PSM pistol), J. 119.1 129.4 ...

                          
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