The Ruger 90671 Picatinny Rail is a one-piece, hardcoat-anodized aluminum scope base engineered to fit short action Ruger American Rifles, aligning precisely with the factory scope mount holes on the receiver for a secure, true-to-fire mounting platform. This MIL-STD slot-and-rail configuration accepts both Picatinny and Weaver scope rings, providing versatile compatibility with a wide range of optics while maintaining robust alignment under recoil. Precision-machined from billet aluminum, the six-inch-long rail delivers a rigid, lightweight foundation that enhances accuracy and repeatable sighting, and it comes with four TORX mounting screws plus a T-10 wrench for dependable, field-ready installation. Made in the USA by Ruger, this genuine factory accessory integrates seamlessly with the American Rifles chassis, ensuring consistent height and alignment so you can confidently upgrade optics for hunting, target practice, or precision shooting scenarios. Whether youre mounting a variable or fixed-power optic, this rail preserves factory geometry and lockup integrity, enabling repeatable performance season after season.