Dead Ringer Bead Shotgun Sight | Universal Low-Profile Front Sight | Fits All Ribbed Shotguns Universal Low-Profile Front Sight Fits All Ribbed Shotguns Interchangeable Light Pipes with Twist Lock Keyway Optical Lexan Light Pipes are 10X Stronger than Fiber Optic Rods Universal Mounting System; Includes 5 Universal Screws Optimal for Low Lighting Conditions