Carlson's Shotgun Extension Tube allows you to add firepower to your favorite shotgun. It is great for home protection, competition shooting, and law enforcement. The magazine extension is 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.
This magazine extension is compatible with 7 shot Remington 12 gauge 870/1100/11-87/Versa Max.
Determined at checkout.