AGENCY 417 SNGL COMP FOR GLK GEN4 BL

Agency Arms Gen4 Compensator, Features a single top venting port and a front sight hole, Two set screws with an Allen Wrench and a vial of Rockset are included in package, Fits Glock 17/19/34, Standard 1/2X28 thread pitch, Black finish 417S-G4-BLK