Product DescriptionThe Weaver Mounts Top Mount Base #421M (MPN 48444) is a precision-machined aluminum scope base designed to deliver a solid, repeatable mounting platform. Built with Weaver&&';;s rocksolid crosslock design, this matte black, lightweight base provides maximum strength so your rings hold tight. It serves as the rear base for select Remington rifles, including the Model 7 (newer 1999+ versions) and the Remington 673, and accepts Weaverstyle rings as part of a twopiece system.Product Highlights Precisionmachined aluminum base for a custom, secure fit Weaver crosslock design for strength and ring retention Matte black finish to reduce glare Rear base for Remington Model 7 (1999+) and Remington 673 Single base for a twopiece mounting system; accepts Weaverstyle rings Specs Type: Top Mount Base #421M (single base for twopiece system) Position: Rear Compatibility: Remington Model 7 (1999+ with 4 holes); Remington 673 Material: Aluminum Finish: Matte Black Weight: 0.02 lb (approx.) UPC: 076683484444 Manufacturer Part Number: 48444 Brand: Weaver Mounts Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.