The 417C is a thread on compensator designed for the G43. It features a dual chamber design (2 top venting ports and 1 side). It is compatible with the G43/G43X/G48 and features a front sight hole that allows you to transfer your existing front sight from your slide to the compensator.. It is machined from 7075 aluminum and is MIL-A-8625 Type 3 Hard Anodized. It is designed to work with threaded barrels with 1/2x28 thread pitch and an overall barrel protrusion of 0.695" +/- 0.005" for optimal fitment. Please note that the compensator may require tuning of the Recoil System. It is designed to work with most factory loaded ammunition but will yield the best results with a heaver charged ammunition. Specifications for Agency Arms 417C Glock 43 Compensator: Manufacturer: Agency Arms Cartridge: 9mm Luger Fabric/Material: 7075 Aluminum Gun Make: Glock Gun Model: Glock 43 Weight: 1.7 oz Included Accessories: Set Screws, Allen Wrench, Vial of Red Loctite Condition: New Features of Agency Arms 417C Glock 43 Compensator Material - 7075 Aluminum, Color - Black, Coating - MIL-A-8625 Type 3 Hard Anodize, Thread Pitch - 1/2 x 28, Hardware included: 2 set screws, allen wrench and a vial of Red Loctite Package Contents: Agency Arms 417C Glock 43 Compensator 13 Set Screws Allen Wrench Vial of Red Loctite