ATI 7-Shot Magazine Extension for Remington Shotguns
Part Number SMR0700
SMR 0700 If you have an 18.5 inch barrel length use the 7-shot magazine extension
If you have a 20 inch barrel length use the 8-shot magazine extension
One of 11 components in the Interchangeable Shotgun System Increases magazine capacity to 7 or 8 rounds. Made of virtually indestructible, glass-filled nylon injection molded over a steel connecting nut. Will not rust or dent. Each extension includes a new spring and instructions. Patent Pending. Includes an Unconditional Lifetime Warranty. Will fit 870/1100/1187. 12 Gage only. May require filing of your tube.