Product Description The Wilson Combat SGETU2 magazine extension tube is a durable steel, Parkerized black extension designed to increase capacity by +2 rounds on select 12 gauge Remington shotguns. Built for hard use, it upgrades your shotgun&';s magazine system with components intended to enhance feeding reliability and provide quick visual confirmation of an empty tube. Product Highlights Adds +2 rounds of capacity to compatible 12 gauge Remington shotguns. Steel construction with a Parkerized black finish for strength and corrosion resistance. Includes an extra-power magazine spring for improved feeding reliability. High-visibility follower helps provide fast visual confirmation of an empty magazine tube. Includes wave washer for proper fitment and function. Specs Brand: Wilson Combat Manufacturer Part Number: SGETU2 UPC: 874218005641 Type: Shotgun magazine extension tube Gauge: 12 Gauge Capacity Increase: +2 rounds Compatible Models: Remington 870, 1100, 11-87 (12 Gauge) Material: Steel Finish: Black Parkerized / Parkerized black Included Components: Extension tube, extra-power magazine spring, high-visibility follower, wave washer 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.