6310KM is based on our 6310 flash suppressor/comp, it is compatible with Dead Air 30 cal sound suppressors. Precision machined from solid 4140 steel bar stock, heat treated and QPQ treated, it is probably the finest A2 style comp/flash suppressor ever produced. Its 3 and 9 o'clock ports are 25% smaller (shorter and narrower) than the other three upward facing ports so more gas is vented through the upward facing ports, it is a superior compensator to the A2, its flash suppression is equal to that of an A2. 6315KM is compatible with Dead Air 5.56mm sound suppressors. Note that since 6315KM does have flash suppression capability equal to that of an A2, it is to be trea Mfg: Forward Controls Design