For those looking to tame your Serpent or any other .45 caliber or smaller air rifle, look no further. The Pungi, named after the traditional Indian musical instrument used by snake charmers, offers up to a 20-decibel reduction in muzzle noise in a lightweight compact design, weighing only 7.1 oz. and 6.25" long. The Pungi features industry standard M18x1 thread.