The Griffin Armament 30SD-K is a .30 caliber silencer is perfect for those looking for a lightweight and short yet effective solution for reducing the muzzle blast and sound signature of a wide range of rifles. This .30 caliber suppressor is multicaliber rated for anything from 5.56 up to 7.62 with no barrel length restrictions, so you can throw it on a short barreled .308 beast without worry. The patented HEDP baffle system meters at an average 138dB with .308 ammunition and is welded for durability and greater internal volume.