12.7 mm cartridge with modernized BZT-44M armor-piercing incendiary tracer bullet 57-BZT-542M

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57-BZT-542M

12.7 mm cartridge with modernized BZT-44M armor-piercing incendiary tracer bullet

The 12.7mm 57-BZT-542M cartridge with modernized BZT-44M armor-piercing incendiary tracer bullet is used against enemy personnel, soft-skinned ground and low-flying targets as well as for target designation and fire adjustment when fired from 12.7mm machine guns, except the YakB-12.7mm machine gun, at temperatures from -50 to +50 °C.

Principales características

Caliber, mm

12,7

Max weight, g:

cartridge

132

bullet

44,8

Cartridge length, mm

147

Average bullet velocity V25, m/s

810-825

Probability of penetrating a 15mm thick armor plate at 100 meters, not less than, %

Peak value of maximum gas pressure, not more than, MPa (kgf/cm2)

333,4 (3400)

Mean value of maximum gas pressure, not more than, MPa (kgf/cm2)

304,0 (3100)

Tracing time (for 85% of bullets), not less than, s

2,9

Cartridge case material

brass

etiquetas: 57-BZT-542M, Pistol cartridges,