HiViz Sights ETA Combo Pack Shotgun hunting for deer or turkey is actually more like hunting with a rifle. Why would you try to do that with just a shotgun bead sight? Add rifle-style sights to your Remington 870 Express or 11-87 Sportsmen with this fiber optic sight set from Hiviz. The light pipes gather all available like to make your sights appear to brightly glow. The rear sight is fully adjustable for windage and elevation. The front sight has interchangeable light pipes for your choice of red or green. The set fits all Remington shotgun models with a 9/32 inch wide rib. The front sight clips on behind the bead, the rear sight clips to the rib using the included hardware. The rear sight can be removed and the front sight used alone for bird hunting or clay target shooting. Specifications and Features: Hiviz RM2013 Rear adjustable green fiber optic sight Front sight with interchangeable light pipes, green and red Attaches to vent rib Fits: Remington 870, 11-87 and 110 shotguns with 9/32 inch wide vent rib