Advanced Armament Corp

The Illusion 9 can be used on a variety of host firearms with different barrel threads by quickly and easily swapping out the threaded A.S.A.P. piston in the rear of the silencer. Illusion 9 series pistons feature heat-treated stainless steel construction, a matte bead blasted finish, and engraving to identify the thread diameter, pitch, and direction of rotation for installation. This piston has M13.5x1 LH threads.