Keep shooting with the REMINGTON Magazine Extension kit (19419) from Webyshops.com for $49 + free shipping
The REMINGTON Magazine Extension Kit increases mag tube capacity by 2 extra rounds. Dependable, factory made magazine extensions provide additional round capacity. All-steel extension tubes attach directly to the end of the magazine tube. Included magazine clamp attaches around the barrel and the extension for added support. Magazine spring is formed from high strength music wire that resists "set" and won't weaken over time.
Fits Remington 870, 1100, 11-87, 12 Gauge only
Extends magazine chamber increasing round capacity 2 extra shots
Includes tube assembly, swivel assembly with screw, magazine extension spring and coupling
Made in USA