Product Description The Nordic Components Extension Tube Spring is a precision-engineered replacement spring designed for shotgun magazine extensions. Featuring an extended 45-inch length, this spring provides extra material for proper fitting and custom trimming, ensuring optimal tension for your specific magazine tube configuration. Made in the U.S.A., this spring is compatible with 12 gauge shotguns and functions as both a replacement for a worn factory magazine spring and an upgrade component for extended magazine tube setups. It ships coiled in a package and includes clear instructions for determining the correct length and cutting, making installation accessible for proficient users without the need for extensive modification. Product Highlights Extra 45-inch length provides the flexibility needed for fitting and trimming to various magazine tube configurations Includes detailed instructions for determining the correct finished length and cutting Designed specifically for 12 gauge shotguns, suitable for pump-action and semi-automatic platforms Made in the U.S.A. for dependable quality and consistent field performance Functions as a factory magazine spring replacement or a component for extended magazine tube setups Specs Brand: Nordic Components Manufacturer Part Number (MPN): EXT-SP-12-45 UPC: 816696021171 Gauge: 12 Gauge Type: Magazine Extension Spring Length: 45 inches Color: Black Country of Manufacture: U.S.A. 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.