The TRUGLO Tru-Bead Turkey Universal Shotgun Sight Rear Ghost Ring and Notched Rear Sight is what you need for your shotgun. This sight has a universal mounting system for ventilated rib shotguns. It has full windage and elevation adjustment. This sight set is CNC machined, and the hardware is included.

Specifications and Features:
TRUGLO
Tru-Bead Turkey Universal Shotgun Sight Rear Ghost Ring and Notched Rear Sight
Threaded Front Sight
Universal mounting system for ventilated rib shotguns
Full windage and elevation adjustment
CNC machined
Hardware is included
Front diameter is .120 inch, rear diameter is .035 inch
Rear ghost ring and notched rear sight
Dual color threaded front sight