The Agency Arms 417 Compensator is threaded with the standard 1/2×28 thread pitch. It features a 2 chamber design (2 vertical ports and 2 side venting ports. It is designed to utilize the OEM recoil spring assembly and it also features a front sight hole” allowing you to transfer your existing front sight from your slide to the comp. Compatible with the 17″19 and 34.
Agency Arms Gen3 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, Compatible with the Glock 17/19/34, Standard 1/2 x 28 thread pitch, Black finish 417-3-BLK
