Hiviz Remington Eta (easy Target Acquisition) Shotgun Fiber Optic Sight
Designed specifically to fit the Remington 870, 11-87, and 1100 models with 9/32"e; rib
Includes interchangeable Litepipes in red and green with both round and triangle.
Easily install by clipping onto the rib just behind the factory bead.
LitePipe Colors: Green (3); Red (3)
LitePipe Shape: Round & Triangular