Product DescriptionBuilt for Browning T-Bolt rimfire rifles, these two-piece Browning-style scope bases deliver a secure, low-profile mounting solution for your optic. Machined from solid steel with a special double-shoulder design, the bases hold matching Browning rimfire rings firmly in place even under heavy use. They are designed exclusively for the T-Bolt platform and require Browning-style rimfire rings (sold separately) for proper fit.Product HighlightsPurpose-built two-piece bases for Browning T-Bolt rimfire riflesSolid steel construction with double-shoulder design for secure ring retentionCompatible only with Browning-style rimfire rings (item #12365; rings sold separately)Includes four mounting screws for straightforward installationOptimized low-profile fit for reliable scope alignment on 22 Long Rifle and 17 HMR T-Bolt modelsSpecsProduct Type: Scope Base (Two Piece)Compatibility: Browning T-Bolt rifles only (22 LR and 17 HMR); requires Browning-style rimfire ringsMaterial: SteelColor/Finish: BlackIncluded Hardware: Four mounting screwsWeight: 6.4 ozUPC: 023614204268Manufacturer Part Number: 12389Brand: BrowningDisclaimer: 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.