Carlsons Magazine Extension 12 Gauge Remington 870 Shotgun Accessory

Extend your Remington 870’s magazine capacity with this Carlsons Magazine Extension for 12 gauge shotguns. The extension is built from blued solid steel and installs by replacing your existing magazine cap with the threaded tube. Each extension includes a spring, base clamp with swivel stud, and a high visibility follower (some extensions require the factory follower and will not include one). The included base clamp is compatible with quick detachable swivels (sold separately). The magazine extension is ideal for home protection, competition shooting, and law enforcement applications.