Knife strike is a secondary function for weapons that removes their aim down sight function, and instead replaces it with a quick melee. This quick melee does the same damage as a normal melee swing would with the same rate of fire.
Knife strike is a secondary function for weapons that removes their aim down sight function, and instead replaces it with a quick melee. This quick melee does the same damage as a normal melee swing would with the same rate of fire.