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 8 shot Benelli 12 gauge M1, M2, SBE, SBEII that use 2.75 inch shells.
Determined at checkout.