Carlson's Choke Tubes +9 Extended Magazine Tube Kit for 12GA Mossberg 930 Shotguns

The Carlson's Choke TubesA(R) +9 Extended Magazine Tube Kit for 12GA MossbergA(R) 930 Shotguns gives users extra firepower for their Mossberg 930 shotgun. The threaded tube is designed to replace your magazine cap and allows you to add extra rounds to your magazine. This shotgun magazine extension features solid blued steel construction and includes a spring, base clamp with swivel stud (included), and a high visibility follower. This tube kit is an aftermarket shotgun magazine extension tube kit designed to bring total capacity of 9 rounds to your compatible Remington shotgun. To top it off, this magazine tube kit is backed by a lifetime warranty from Carlson's Choke Tubes. Order yours now! Made in USA.**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.