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 is available in a two chamber design (2 vertical ports and 2 side venting ports) or a single chamber design (1 vertical 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 GLOCK 43/43X/48.

Features :

• Single Port 417C Compensator for GLOCK 43/43X/48 Pistols
• 1/2x28 Thread Pitch
• 1 Vertical Port
• Front Sight Hole Allows for Transfer of Existing Sight to Compensator
• Package Includes 2 Set Screws, an Allen Wrench, and a Vial of Thread Locker