Product DescriptionCarlson's Shotgun Magazine Extensions add extra firepower to your favorite 12 gauge Remington shotgun with a rugged, blued steel extension tube. This threaded tube replaces your magazine cap to increase capacity and includes the components needed for a reliable upgrade, including a spring, base clamp, and a high-visibility follower. Designed for home defense, competition, and tactical use, this extension kit is compatible with Remington 870, 1100, 11-87, Versa Max, and V3 shotguns.Product Highlights Increases shotgun magazine capacity with a durable blued steel extension tube Complete kit includes spring, base clamp, and high-visibility follower for dependable feeding Threaded design replaces the factory magazine cap for straightforward installation 7-shot total capacity with 2-3/4 in shells (capacity may vary with longer shell lengths) Engineered to fit popular 12 gauge Remington platforms for defense, duty, and competitionSpecs Brand: Carlsons Manufacturer Part Number: 04506 UPC: 723189045067 Gauge: 12 Gauge Capacity: 7-shot total capacity with 2-3/4 in shells (including 1 in chamber) Overall Length: 6.25 in Material: Steel Finish/Color: Blued / Black Included Components: Extension tube, spring, base clamp, high-visibility follower Fits: Remington 870, 1100, 11-87, Versa Max, V3 (12 gauge) Country of Origin: USA Weight: 0.7 lbDisclaimer: 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.