Add firepower to your favorite shotgun. These Magazine Extensions are constructed of blued solid steel and come with spring, base clamp, and a high visibility follower. The threaded tube replaces you magazine cap and gives you the ability to add extra rounds to you magazine. Easy-to-follow instructions are included. PLEASE NOTE: Magazine round count is referring to total capacity using 2 3/4" shells with one shell in the chamber. PLEASE ALSO NOTE: RemingtonA(R) Magazine Tube Extension requires removal of tabs in original mag tube on newer models. Constructed of blued solid steel Includes spring, base clamp, and follower Available for the RemingtonA(R) 870/1100 and BenelliA(R) shotguns with a tube mag Order today!