Ben M1,m2, Sbe Mag Ext 10 Shot Karambit - Heavy duty back loop

- Heavy duty back loop system to carry additional gear and tools

Weaver's popular Four Hole Rings are now available in heights for just about any shooter and shooting situation

-The Auto Indexing System is very simple

- Material: Aluminum Base

resulting in turning some on while turning others off

Ben M1,m2, Sbe Mag Ext 10 Shot Karambit - Heavy duty back loopAdd 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. The magazine extension tube is great for home protection, competition shooting, and law enforcement. See chart below for the make model