Defense Technology/Federal Labs MK-46 and MK-46H Oleoresin Capsicum (OC) projectors are the perfect delivery system for crowd control and riot applications. Each canister contains a full 46oz. of Defense Technology/Federal Labs 10% OC non-flamable solution. The agent is delivered in a high velocity stream with an effective range of 25-35 feet. The new MK-46H allows the cannister to be fired from a horizontal position for easier use.