The Sylvan Arms 5.56x45mm/.223 Cal muzzle device is tailored for use with the Osprey 5.56x45mm titanium suppressor, featuring a standard 1/2-28 thread pitch compatible with 5.56x45mm or .223 Rem firearms. Constructed from robust 17-4 stainless steel, this flash hider incorporates ratchet notches designed for secure tightening of the Osprey suppressor. Ideal for owners of multiple 5.56x45mm firearms seeking to mount their Osprey suppressor, this muzzle device also seamlessly fits the .30 Cal Warthog suppressor from Sylvan Arms.