Product DescriptionThe Weaver Mounts Top Mount Base #40A delivers a secure, custom-fit foundation for your optic. Machined from durable aluminum with a matte black finish, this single-piece base features Weaver&';s rock-solid cross-lock design to keep rings tight and your zero locked in. The #40A configuration is compatible with a wide range of popular rifles from brands such as BSA, Colt/Sauer, Remington, Weatherby, and more, making it a smart, lightweight choice for dependable scope mounting.Product Highlights Precision-machined aluminum base for a custom fit and long-lasting durability Weaver cross-lock design for secure ring engagement and reliable zero retention Matte black finish reduces glare and blends with most firearms #40A Top Mount configuration compatible with many Remington, Colt/Sauer, Weatherby, BSA, and other models Lightweight single-base solution ideal for hunting and target setups Specs Product Type: Top Mount Scope Base (#40A) Material: Aluminum Finish/Color: Matte Black Design: Weaver cross-lock Compatibility (examples): Remington 700/721/722/725 series (long & short actions), Weatherby Vanguard, Colt Sauer, BSA Monarch, Mossberg 100 ATR, Smith & Wesson 1500 series, Sauer 200, Shilen round receiver, Beretta Pintail slug gun, Churchill Highlander Weight: 0.03 lb UPC: 076683484284 Manufacturer Part Number: 48428 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.