Enhance your shotgun's performance with the Wilson Combat SGET-RH-1, a robust One Shot Tactical Magazine Extension Tube designed for 12 gauge firearms. Engineered for reliability and efficiency, this extension meets the high standards set by the U.S. Secret Service and U.S. Border Patrol. This magazine extension increases your shotgun's magazine capacity to 5 rounds, optimized for right-handed shooters with a convenient sling mount. Featuring an extra-power magazine spring and high-visibility follower, expect enhanced feeding and operational confidence even in demanding situations. One Shot Magazine Extension Increases Magazine Capacity to 5 Rounds Sling Mount for Right Hand Shooter, Mounts on Left Side Includes an Extra-Power Magazine Spring for Improved Reliability Includes a High-Visibility Follower for Improved Feeding and Visual Reference of Empty Magazine Tube Fits Remington M870, 1100, 1187 - 12 Gauge Wave Washer Included Parkerized Finish Follower is not grooved to fit newer 870 magazine tubes Elevate your tactical readiness with the Wilson Combat SGET-RH-1, where innovation meets durability.