CMMGA(R) ZEROED 556K .22 CALIBER DIRECT THREAD SUPPRESSOR 5.56mm is one of the most ubiquitous calibers in the USA, so why not have a dedicated suppressor for your 5.56mm firearm? Made to deliver maximum sound suppression on .22 caliber centerfire cartridges, the ZEROD 556K keeps things light and tight with its compact "K" size footprint and direct thread mounts and an overall length of just 5.5". Although reasonable in price the ZEROED 556K makes no compromises in quality. Full 17-4 stainless construction and a nitride finish means this suppressor resists fouling and corrosion like no other. For easy HUB mount removal, the included direct Mfg: Cmmg