Technical specifications
Cartridge characteristics
| Purpose
|
or commercial and amateur hunting
|
| Calibre, mm
|
12,7х108
|
| Cartridge length, mm
|
145,8-147,0
|
| Cartridge weight, g
|
130-137
|
| Mean value of bullet velocity, m/s
|
810-825
|
| Fire grouping, R50, at the range of 300 m, cm
|
≤ 18
|
| Maximum gunpowder gas pressure, average/maximum MPa (kgf/cm2):
|
|
| - Pmax.av. ≤ 303.8 (3100)
|
|
| - Pmax. ≤ 323.5 (3300)
|
|
Gunpowder charge characteristics
| Gunpowder type
|
pyroxylin sporting-hunting without pore-forming agent
|
| Gunpowder brand
|
Irbis VL-1, Irbis VL-7 or analogues
|
| Gunpowder weight, g:
|
|
| - Irbis VL-1
|
18,7
|
| - Irbis VL-7
|
17,0
|
| Powder weight, g
|
1,4-1,5
|
Bullet characteristics
| Bullet type
|
full metal jacketed with lead core (FMJ)
|
| Bullet jacket
|
bimetal
|
| Bullet weight, g
|
48,2
|
| Bullet diameter, mm
|
12,95-13,00
|
Case characteristics
| Case shape
|
bottle-shaped
|
| Case material
|
brass
|
| Case length, mm
|
108
|
