The Agency Arms 417 Compensator for Glock Gen 4 is designed to enhance your shooting performance by reducing muzzle rise and improving accuracy. Featuring a standard 1/2x28 thread pitch and a single top venting port, this compensator allows for optimal recoil management. With a dedicated front sight hole, you can easily transfer your existing front sight from your slide to the compensator, ensuring seamless integration. It fits Glock models 17, 19, and 34, and comes with 2 set screws, an Allen wrench, and a vial of Rocksett for secure installation. Upgrade your Glock with this high-performance muzzle device for superior handling and precision in every shot.