American operator suppression system company has always been famous for producing excellent silencers. This is the latest product of OSS, vortex muffler. The picture shows the sample gun with eddy current silencer displayed by OSS at the special forces industry conference. The columnar octahedron in front of the wooden guard is the outer tube of the vortex muffler. Close-up of the outlet end of the silencer, the interface with the gun, the structure is complex and the manufacturing is quite difficult. The outer tube adopts octahedron, which is convenient for the shooter to install and disassemble. There is a trumpet diffuser at the outlet end and screw excuses at both ends, which is convenient for screw connection, increasing the length of muffler and enhancing the effect.