Upgrade your shotgun with the Scattergun Technologies 2 shot 12 gauge vertical quick detach stud extension tube for enhanced performance and accuracy. This rugged and reliable extension tube features a parkerized finish, as well as an extra power magazine spring to ensure smooth operation. Plus, with its 6-round capacity, you get the power you need in a lightweight package. Whether you're hitting the range or hitting the trails, this extension tube is ready for anything. Get yours today and upgrade your shotgun!FeaturesTwo shot magazine extension increases magazine capacity to 6 roundsQuick detach sling stud, located on front of tubeIncludes an extra-power magazine spring for improved feeding and visual reference of Includes a high-visibility follower for improved feeding and visual reference of empty magazine tubeFits Remington M870 (1100, 1187)Wave washer includedParkerized finishFollower is not grooved to fit newer 870 magazine tubes. The detent in the magazine tube may be filed ...