Carlson's Choke Tubes +7 Extended Magazine Tube Kit for 20GA Mossberg SA-20 Shotguns

The Carlson's Choke Tubes +7 Extended Magazine Tube Kit for 20GA Mossberg SA-20 Shotguns is a drop-in mag extension kit, engineered to add up to 7 rounds of additional ammo (2.75" shells) without any permanent modification or gunsmithing to your shotgun. This kit features durable steel construction with a corrosion-resistant blued finish for lasting strength and consistent performance when it matters most. The steel base clamp secures the magazine extension tube to the barrel of your shotgun for increased strength, while a built-in sling swivel stud 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. Plus, 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. +7 capacity. Compatible with most 20 gauge ammo; ideal for use with 2.75" shells.