Carlson's Choke Tubes +7 Extended Magazine Tube Kit for 12GA Stoeger M3000, M3500, P3000, P3500 Shotguns

The Carlson's Choke Tubes +7 Extended Magazine Tube Kit for 12GA Stoeger M3000, M3500, P3000, P3500 Shotguns is designed to deliver superior firepower potential with a total capacity of 7 rounds of ammo, making it a must-have mag tube upgrade for the tactical or competitive shotgunner. Featuring solid blued steel construction, the threaded tube extension installs directly to your shotgun's factory-length magazine tube for quick installation, long-lasting service, and reliable performance when it matters most. 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. Compatible with 2.75" shells.**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.