The KAC 5.56 QDC 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. Like its predecessor, the QDSS-NT4, the 5.56 QDC may now also be considered a legacy design. The silencer system weighs 19.9 ounces; lighter than its predecessor due to possessing one less baffle.

In this review, the 5.56 QDC 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 5.56 QDC perform on your AR15 short barrel rifle?