1" (25.4mm) Ring Weaver Picatinny Rail for Mossberg 500 & Remington 870 & Shotgun 12GA Mag Tube and Scope Tube
Fits 1 inch rifle scope.
Design to fit onto most 1" diameter Extended tubes.
Easily and quickly to install without special tools.
Provides weaver-picatinny rail for back-up sights, lights and lasers.
Aircraft Grade Aluminum Black Anodized
With 2 section adjustable accessory rail 1.75" and 2.25"