The KAC QDSS-NT4 is a full-size 5.56mm machine gun rated rifle silencer that possesses competitive sound signature suppression performance with many silencers on the current market, and achieves balanced performance on the MK18. The QDSS-NT4 may be considered a legacy design. The silencer’s mass is significant and possesses a total system weight of 23.5 ounces.

In this review, the QDSS-NT4 performance metrics depend upon suppressing a supersonic centerfire rifle cartridge on a short barrel gas-operated rifle, which is an incredibly difficult task. How would the KAC QDSS-NT4 perform on your AR15 short barrel rifle?