The Choate Magazine Tube Extension offers extra capacity with minimal modification to your shotgun. These quality steel tubes are perfect for competition or home defense. Newer Remington shotguns use an internal ratchet system to hold the magazine cap in place. If your shotgun has the internal ratchet system cap, you need to drill out the dimple on the guns magazine tube with a 3/16"drill bit in order to fit the extension to the tube.
Capacity indicates that there is an extended total capacity to the standard magazine tube. +2 Capacity results in a 7 round tube, +3 Capacity results in an 8 round tube, +4 Capacity results in a 9 round tube, +5 Capacity results in a 10 round tube.
- Spring, follower and base clamp included
- Fits barrels 20" and longer
- Extends total capacity