The Warne Vapor Picatinny rail for Ruger 10/22 is designed to provide an affordable and reliable mounting platform for one of the most popular rimfire rifles ever made. The V490-15MOA scope base features 15 MOA of built-in elevation, giving shooters additional adjustment range for long-range shooting while still performing perfectly for short-range applications. It works great with red dots, magnified optics, and LPVOs. This Ruger 10/22 Picatinny scope mount extends slightly over the receiver to offer extra mounting space for your optic, ensuring flexible positioning and proper eye relief. Product Features 15 MOA built-in elevation for extended scope adjustment Available in Zero or 20 MOA configurations Firearm-specific fitment for Ruger 10/22 Precision CNC machined from 6061-T6 aluminum Mil-Spec hardcoat anodized finish for corrosion resistance Self-centering tapered T-15 Torx screws Fits Picatinny and Weaver style rings NATO-STANAG compatible Designed and made in the USA Product Details Weight: 1.7 oz Material: Aluminum Fits: Ruger 10/22 Rimfire (6-48 screw receiver) Elevation: 15 MOA Mounting Screws: Tapered 6-48 Torx