Carlson's Choke Tubes +6 Extended Magazine Tube Kit for 12GA Benelli M4 Shotguns

The Carlson's Choke Tubes +6 Extended Magazine Tube Kit for 12GA Benelli M4 Shotguns is designed to maximize your firepower potential with a total capacity 6 rounds of 12 gauge ammo. The steel base clamp clips to the magazine extension tube and the barrel of your shotgun for increased strength and stability and features a built-in sling swivel stud that serves as the forward mount for any 2-point sling. The included high-visibility polymer follower and steel spring work together to ensure smooth and dependable operation. Crafted of blued steel, the threaded tube extension installs directly to your shotgun's factory-length magazine tube for quick installation and reliable performance right out of the box.**Magazine round count is for the total capacity using 2 3/4-inch shells including 1 in the chamber**Note: When using 3" shells, you lose 1 shell capacity. When using 3.5" shells, you lose 2 shell capacity.