Compatible with most 30mm rifle scope tubes, the Talley Manufacturing 30mm Medium Steyr Merkel MHR 16 2-Piece Scope Mount features CNC-machined aluminum alloy construction with an integrated Picatinny-compatible base and corrosion-resistant anodized finish for superior strength, durability, and rigidity in a lightweight package. Eliminates "out of alignment" or "loose connection" issues between the ring and base, commonly experienced with traditional two-piece designs. Boasts a 2-piece design and includes all necessary installation hardware for quick installation right out of the box. Fits: Steyr Merkel MHR 16, Savage Round Receiver A17/A22, Remington 783, Ruger American Short-Action, Stiller Predator, Stevens 200, Thompson Center Venture/Compass. No lapping required. Made in USA.