Choate Tool Moss 835-8 Shot Magazine Extension Matte Blue. Increase your fire power by 5 shells with our shotgun magazine extension kits. fits the 28 inch or longer barrel. These extensions are great for law enforcement officers and competition shooters in reducing the time to reload. They are also a must for home protection. These kits are constructed of solid blued steel and come with spring & follower. Specifications for Choate Tool Mossberg 835 Shot Magazine Extension Matte: Manufacturer: Choate Tool Color: Blue Finish: Matte Gun Model: Mossberg Model 835 Condition: New Country of Origin: USA Features of Choate Tool Mossberg 835 Shot Magazine Extension Matte steel construction. Includes mag extension mag tube spring High Visibility Shell Follower Package Contents: Choate Tool Mossberg 835 Shot Magazine Extension Matte What firearm models does the manufacturer say Choate Tool Mossberg 835 Shot Magazine Extension Matte is compatible with? The manufacturer says that Choate Tool Mossberg 835 Shot Magazine Extension Matte is compatible with Mossberg Model 835Choate Tool CMT-02-04-23: Moss 835-8 Shot Magazine Extension Matte Blue