Aimpoint 200521 HK VP9 ACRO Mounting Plate for Glock MOS Optic Ready Models. For mounting ACRO sights on optic ready (OR) HK VP9 handguns. Installation by a certified gunsmith is recommended. Enhance your shooting experience with the Aimpoint 200521 HK VP9 ACRO Mounting Plate. This versatile mount plate is designed to fit seamlessly with HK VP9 OR ready pistols. The sleek black color of the mount plate complements the aesthetics of your firearm. Aimpoint, a trusted brand in the industry, this red dot mount ensures optimal accuracy and precision. The model number 200521 signifies its superior quality and performance level. This mounting plate is a must-have for any HK VP9 shooting enthusiast looking to elevate their game.