HK VP9 Railok™ Threaded Barrel Compensator Reviews

HK Parts Railok™ Mounting System Compensator for Threaded Barrel: H&K VP9 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker. Utilizing our proprietary railok™ mounting system locking system this compensator takes seconds to lock into the perfect position on the Picatinny rail. HK Parts compensators are CNC machined from billet aluminum and Cerakoted for a sleek, enduring finish. *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL.  Doing so will result in damage to your firearm and compensator.* Specifications: Made in the USA Length: 4 1/4 inches Height: 2 inches Weight: 5.60 oz. Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. Torque: Side Screw - 18 inch-lbs Compatible With: HK VP9/ VP9 Tactical HK VP9A1 K NOT compatible with VP9A1 F DISCLAIMER: Improper installation of an HK Parts pistol compensator WILL result in damage to both the compensator and the firearm. It is imperative that our detailed instructions are systematically and carefully followed. HK Parts is not liable for any damage to the firearm or compensator in the event that our compensator was improperly installed. Please refer to the installation video under the " INSTALLATION VIDEO" tab just above this description and reach out to us if you have any questions or concerns about your installation. We are more than happy to help! It is recommended by the manufacturer to use 124+ Grain Ammunition for 9mm and 180+ Grain Ammunition for .40 S&W when firing these compensators for optimal performance. ***Railok Compensators are designed to fit tightly on your firearm's Picatinny rail.  Please note that the installation and removal process may cause marring on the Picatinny rails of newer firearms.***