This factory Remington model 870 20" magazine extension kit is designed to extend your magazine tube on your Remington 870 by 3 extra rounds. Using a factory made magazine extension will ensure that your trusty 870 will remain reliable and dependable. This magazine extension is ideal for someone who is looking to extend the capacity of either a defensive shotgun or a competition shotgun. The extension tube is constructed from steel and the magazine spring is formed from high strength music wire that resists weakening over time.

Features and Specifications:
Manufacturer Number:19421
All steel magazine extension tube
Provides 3 extra rounds
High strength spring
Blued finish
Made in the USA


Includes:
Extension Tube
Swivel assembly with screw
Magazine extension
Spring and coupling


Fits:
Remington 870 12 Gauge Shotguns