Product Description: Enhance the versatility of your Ruger American Rimfire rifle with the WOSUWENGE Picatinny Rail Mount, designed specifically for rimfire models chambered in 22 LR, 22 WMR, and 17 HMR. Crafted from lightweight 6061 aluminum, this 6.9-inch rail features 17 slots for maximum positioning flexibility of scopes, red dots, and other optical accessories. Installation is simple and gunsmith-free—the rail attaches directly to your rifle's factory mounting holes using included #6 set screws. The rail is fully compatible with Picatinny and Weaver-style ring systems, helping you achieve optimal eye relief and a consistent cheek weld. Each package includes #6-48 and #8-40 6mm screws pre-coated with blue threadlocker for secure, vibration-resistant performance. Please note: this mount is exclusively designed for Ruger American Rimfire rifles and is not compatible with centerfire or long-action models. All WOSUWENGE optics mounts are backed by a lifetime warranty.