The Leupold DeltaPoint Pro Rear iron Sight mounts on he rearward portion of the Leupold DeltaPoint Pro red Dot Sight. This will provide co-witness between iron sights and the red-dot and give a fail proof back-up in case of battery failure.*Note- This is the Iron Rear sight for the DeltaPoint Pro.
NOTE: A taller front sight post may be required).