Answer:
C. Contact Range Control.
Explanation:
OIC which technically means Officer in Charge, is the person responsible for leading or monitoring the task or training being carried out at a particular moment during military training.
Thus, when a gun or weapon particularly in this case, a MK19 grenade machine gun misfires by an individual, the next line of action is to Contact Range Control
The Range Control will in response, gives an online scheduling system, RFMSS, range facility management support system for the units to put requests in for a certain range or equipment and training. This will later goes to the scheduler.