"Full Description:\nOne-piece Picatinny scope base is designed for use with Ruger American Rimfire rifles chambered in .22 LR. This 0 MOA rail is engineered specifically to fit the American Rimfire factory scope mount holes on the gun's receiver. MIL-STD Picatinny slot-and-rail spacing accepts Picatinny or Weaver scope rings. One-piece design is precision-machined from billet aluminum. Base is 6" long with a hardcoat anodized finish and includes (4) TORX mounting screws and a T-10 wrench. NOTE: this scope base does not fit the 10/22 rifle. Made in the USA. Genuine Ruger Factory Accessory.\n\nFeatures:\n\u003cul>\n\u003cli>One-Piece Design: Designed for a secure and rigid mount, offering enhanced stability and durability.\u003c/li>\n\u003cli>Compatibility: Specifically designed for use with Ruger American Rimfire rifles chambered in .22 LR.\u003c/li>\n\u003cli>0 MOA Rail: Engineered with a 0 MOA rail suited for precise optical alignment without added elevation.\u003c/li>\n\u003cli>Precision Machining: Precision-machined from billet aluminum for a perfect fit and high-quality construction.\u003c/li>\n\u003cli>MIL-STD Slots: MIL-STD Picatinny slot-and-rail spacing compatible with both Picatinny and Weaver scope rings for versatility.\u003c/li>\n\u003cli>Construction Material: Made from billet aluminum, ensuring a lightweight yet robust design.\u003c/li>\n\u003cli>Hardcoat Anodized Finish: Features a hardcoat anodized finish for added protection against wear and corrosion.\u003c/li>\n\u003cli>Length: The base is 6 inches long, providing ample space for mounting various optics.\u003c/li>\n\u003cli>Mounting Hardware: Includes (4) TORX mounting screws and a T-10 wrench for easy and secure installation.\u003c/li>\n\u003cli>Factory Fit: Designed to match the American Rimfire factory scope mount holes for a perfect fit.\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Brand: Ruger\u003c/li>\n\u003cli>Category: Bases\u003c/li>\n\u003cli>Model: Picatinny Rail\u003c/li>\n\u003cli>Firearm Fit: Ruger American Rimfire\u003c/li>\n\u003cli>Color: Black Anodized\u003c/li>\n\u003cli>Material: Aluminum\u003c/li>\n\u003cli>Firearm Type: Rimfire Rifle\u003c/li>\n\u003cli>Rings Included: No\u003c/li>\n\u003cli>Length: 6.0"\u003c/li>\n\u003cli>MOA: 0\u003c/li>\n\u003cli>Includes: Mounting Hardware\u003c/li>\n\u003c/ul>\n"