--- title: "Weaver 1\" Extra High Top Mount Base #421M" description: "New Weaver #421M top mount base in extra-high height with 1\" tube diameter, 52 mm objective clearance, and matte black 7075-T6 aluminum construction." canonical_url: "https://www.kygunco.com/product/weaver-top-mount-base-421m-1-extra-high" meta: author: KYGUNCO "og:description": "New Weaver #421M top mount base in extra-high height with 1\" tube diameter, 52 mm objective clearance, and matte black 7075-T6 aluminum construction." "og:image": "https://cdn.kygunco.com/assets/products/305756/thumbnail.jpg?v=1775068425" "og:image:height": "500" "og:image:width": "500" "og:title": "Weaver 1\" Extra High Top Mount Base #421M" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Brands](https://www.kygunco.com/brands) / [Weaver](https://www.kygunco.com/brand/weaver) / WVR-48383 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/305756/main.jpg?v=1775068425) For illustration purposes only, this image may not be an exact representation of the product. # WEAVER Top Mount Base #421M 1" Extra High The WEAVER Top Mount Base #421M is an extra-high mounting component for 1-inch tube optics, with 52 mm objective clearance. It is made from lightweight 7075-T6 aluminum and features a durable matte black anodized finish. $82.92 ** 5 interest-free payments of **$16.58** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Selling fast. Limited quantities available. Item # 305756 Style WVR-48383 UPC 604544696356 Condition New Manufacturer [Weaver](https://www.kygunco.com/brand/weaver) Weight 2 lb Weaver Precision and Precision Tactical Rings are engineered for shooters who demand uncompromising strength, repeatability, and optic stability in any environment. Made from lightweight, high-strength 7075-T6 aluminum, these rings maintain a sleek, low-profile footprint while delivering exceptional durability. The Precision series offers versatile performance for hunting and everyday shooting, while the Precision Tactical series enhances stability with reinforced cross-bolt construction and expanded height options tailored for mission-specific requirements. Built to tight tolerances, both lines provide the confidence shooters expect when performance is non-negotiable. SPECIFICATIONS - Tube diameter: 1 in - Objective clearance: 52 mm - Ring height: Extra High - Material: Aluminum (7075-T6) - Color: Black - Finish: Matte anodized ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Weaver ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/weaver-top-mount-base-421m-1-extra-high#webpage","@type":"WebPage","description":"New Weaver #421M top mount base in extra-high height with 1\" tube diameter, 52 mm objective clearance, and matte black 7075-T6 aluminum construction.","name":"Weaver 1\" Extra High Top Mount Base 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