The GG&G Remington 870 Magazine Tube Extension is easy to install as long as you have a working knowledge of how to break down your shotgun to perform maintenance procedures. These 870 Mag Tube Extensions attach easily without modification to the shotgun**. These two shot and three shot Magazine Extensions use the factory follower or you can purchase a GG&G Enhanced High Visibility Follower
here. In addition you can purchase the GG&G Remington 870 Barrel Clamp
here.
**May require removal of factory magazine tube crimp on some models.