SANDMAN K 7.62MM/30 CALIBER RIFLE SUPPRESSOR For those demanding absolute performance and durability, the Sandman Series delivers. Made and constructed from the toughest silencer materials, these are built to stand the test of time for serious users - and do so for military and law enforcement around the world. The Sandman K was developed for very specific uses. Adding a mere 2.9a ^2 to the end of your muzzle it is your compact companion. The QD system is design perfection. One-hand installation or removal in just seconds. No wobble, no seizing, no affected performance; just easy on, easy off, with minimal point of impact shift and no loss of precision. The Co Mfg: Dead Air Armament