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12.7x55mm PS12B (PS12B)

A 12.7x55mm PS12B special cartridge with an 18 gram subsonic armor-piercing bullet with a heat-strengthened steel core with a two-layer semi-jacket, a lead interior and a bimetallic exterior, in a brass case. This cartridge was designed in the early 2010s to provide the ASh-12 assault rifle with capabilities to neutralize hostile personnel equipped with basic and intermediate ballistic body protection, in addition to providing a significant stopping power effect due to its caliber and being able to inflict substantial adverse effects on the target after impact. However, due to its design, it has a high probability of bouncing off various surfaces.

Caliber 12.7x55mm STs-130
Subsonic Yes
Tracer No
Damage 102
Penetration 46
Armor Damage 57 %
Fragmentation 30 % (2-4)
Velocity 300 m/s
Ballistic Coefficient 0.151
Accuracy 0 %
Recoil +15 %
Durability Burn +80.00 %
Misfire Chance 17.5 %
FTF Chance 8.74 %
Heat +151.00 %
Light Bleeding 0 %
Heavy Bleeding +15 %