Item image

5.56x45mm MK 318 Mod 0 (SOST) (SOST)

A 5.56x45mm NATO MK 318 Mod 0 (SOST) cartridge with a 4 gram open-point bullet with a lead core over a copper base with a copper jacket, in a brass case. The cartridge was specially designed for the United States Marine Corps, under the name SOST (Special Operations Science and Technology) to provide penetration of objects with low structural strength and provide a considerable stopping power effect, even being able of piercing basic ballistic body protections.

Caliber 5.56x45mm NATO
Subsonic No
Tracer No
Damage 69
Penetration 20
Armor Damage 35 %
Fragmentation 15 % (2-3)
Velocity 902 m/s
Ballistic Coefficient 0.269
Accuracy +10 %
Recoil 0 %
Durability Burn 0.00 %
Misfire Chance 15.4 %
FTF Chance 1 %
Heat +52.00 %
Light Bleeding +10 %
Heavy Bleeding +10 %