The Agency Arms 417C Compensator is threaded with the standard 1/2x28 thread pitch (Overall barrel protrusion should be 0.637" +/- 0.005" for optimal fitment and function). 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. The 417C is specifically designed to fit the Glock43/43X/48
*Compensator may require tuning of Recoil System. Designed to work with most factory loaded ammunition but will yield the best results with a heavier charged ammunition*
