Product DescriptionIncrease the on-board capacity of your Benelli 12 gauge shotgun with the Carlson's Magazine Extension. Built from blued solid steel, this threaded extension replaces your factory magazine cap and allows you to add extra rounds for applications ranging from home protection to competition use. This kit includes the components needed for installation, including a magazine spring, base clamp, and a high-visibility follower, and is designed for 8-shot Benelli M1, M2, and Super Black Eagle platforms using 2.75" shells.Product Highlights 8-shot magazine extension assembly for compatible Benelli 12 gauge shotguns Blued solid steel construction for durability and a factory-matching look Threaded tube replaces the magazine cap for straightforward installation Includes spring, base clamp, and high-visibility follower for reliable feeding Compatible with 2.75" shells on specified Benelli M1/M2/SBE modelsSpecs Brand: Carlsons Manufacturer Part Number: 04501 UPC: 723189045012 Gauge: 12 Gauge Total Capacity: 8-shot (with 2.75" shells) Compatibility: Benelli M1, Benelli M2, Benelli Super Black Eagle (SBE/SBE II; SBE III noted by some distributors) Material: Steel Finish/Color: Blued (Blue/Black) Overall Length: 10.5 in (10-1/2 in) Included: Spring, base clamp (swivel-stud clamp noted by some distributors), high-visibility follower Country of Origin: USADisclaimer: 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.