TruGlo Picatinny Optic Rail for use with drilled and tapped receivers. Made of CNC-machined aircraft grade aluminum and compatible with Picatinny and Weaver-style rings or mounts. Includes screws and wrench. Fits Ruger 10/22. Model Picatinny Optic Rail Style Picatinny Pieces To Receiver/Picatinny/Weaver Material Aluminum Mount Type Picatinny/Weaver Rings Included No