AGENCY 417 COMP FOR GLK GEN4 BLK

Agency Arms Gen4 Compensator, Features two chamber design (2 vertical ports and 2 side venting ports), 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 417-4-BLK