12.7mm cartridges

12.7mm OSV-96 sniper rifle

12.7mm KORD MACHINE GUN

12.7mm NSV-12.7 Machine Gun

12.7mm CARTRIDGE WITH BS ARMOR-PIERCING INCENDIARY BULLET (DESIGNATION 7BZ-1)
This cartridge is designed to engage lightly armored ground targets, weapon emplacements and targets located behind light barriers at ranges of up to 1,000 m, concentrated infantry and motor transport at ranges of up to 1,500 m, and low-flying air targets at altitudes of up to 1,500 m. It ignites the B-70 gasoline. It is fired from NSV, NSVT and DShKM machine guns. The bullet is painted red with a black tip.

Caliber, mm 12.7 x 108
Weight, g:
cartridge 141
bullet 55.4
Cartridge length, mm 147
Muzzle velocity, m/s 818
Max mean powder gas pressure, MPa 304
Fire consistency at 300m range (R50), cm, max 19
Penetration range
for 20-mm armor at angle of 20 deg, m up to 750
Case brass

12.7mm CARTRIDGE WITH MDZ INSTANTANEOUS ACTION INCENDIARY BULLET (DESIGNATION 7-Z-2)
This cartridge is designed to fight low flying air targets and to set them on fire. It ignites the B-70 gasoline. It is fired from NSV, NSVT and DShKM large caliber machine guns. The bullet is painted red.
Caliber, mm 12.7 x 108
Weight, g:
cartridge 127.0
bullet 43
Cartridge length, mm 147
Muzzle velocity, m/s 828
Fire consistency at 300m range (R50), cm, max 20
Penetration range for 2mm duralumin sheet, m 1,500
Case brass

12.7mm CARTRIDGE WITH BZT-44 ARMOR-PIERCING INCENDIARY TRACER BULLET (DESIGNATION 57-BZT-542) AND WITH BZT-44M MODERNIZED ARMORPIERCING INCENDIARY TRACER BULLET (DESIGNATION 57-BZT-542M*)
This cartridge is designed to designate targets, adjust fire and ignite targets containing combustible materials. It ignites the B-70 gasoline. It is fired from NSV, NSVT, DShKM and A-12.7 large caliber machine guns. The bullet point is painted violet and red.
Caliber, mm 12.7 x 108
Weight, g:
cartridge 128
bullet 44
Cartridge length, mm 147
Muzzle velocity, m/s 818
Max mean powder gas pressure, MPa 304
Fire consistency
at 300m range (R50), cm, max 19
Penetration range for 15-mm armor, m up to 100
Min tracer burning time, s 3
Trace initiation from muzzle face, m 50 - 120*
Case brass

12.7mm CARTRIDGE WITH B-32 ARMOR-PIERCING INCENDIARY BULLET (DESIGNATION 57-BZ-542)
This cartridge is designed to engage lightly armored ground targets (armored personnel carriers), weapon emplacements and targets behind light barriers at ranges of up to 1,000 m, concentrated infantry and motor transport at ranges of up to 1,500 m and low flying air targets at altitudes of up to 1,500 m. It ignites the B-70 gasoline. It is fired from NSV, NSVT and DShKM machine guns, as well as the OSV-96 sniper rifle. The bullet point is painted black and red.
Caliber, mm 12.7 x 108
Weight, g:
cartridge 133.5
bullet 48.2
Cartridge length, mm 147
Muzzle velocity, m/s 818
Max mean powder gas pressure, MPa 304
Fire consistency
at 300m range (R50), cm, max 19
Penetration range for 20mm armor, m up to 100
Case brass

12.7mm 1SL DUPLEX CARTRIDGE (DESIGNATION 9-A-4012)
This cartridge is designed to engage manpower and unarmored ground materiel at ranges of 1,000 to 1,500 m. It is fired from the YakB-12.7 aircraft machine gun installed on Mi-24D and Mi-24V helicopters. The bullet is not painted.
Caliber, mm 12.7 x 108
Weight, g:
cartridge 145
bullet 31
Cartridge length, mm 147
Muzzle velocity of first/second bullet, m/s 735/680
Max mean powder gas pressure, MPa 304
Fire consistency
at 300m range (R50), cm, max 50
Case brass

12.7mm 1SLT DUPLEX TRACER CARTRIDGE (DESIGNATION 9-A-4427)
This cartridge is designed to designate targets, adjust fire and engage manpower and unarmored materiel at ranges of at least 1,000 m. It is fired from the YakB-12.7 aircraft machine gun installed on Mi-24D and Mi-24V helicopters. The bullet point is painted green.
Caliber, mm 12.7 x 108
Weight, g:
cartridge 142
first/second bullet 31/27
Cartridge length, mm 147
Muzzle velocity of first/second bullet, m/s 730/700
Max mean powder gas pressure, MPa 304
Fire consistency at 300m range (R50), cm, max 50
Range of tracer buring time, m 1,000
Min range of trace, s 2.9
Case brass