Optimized for the SIG556 rifle, the SIG SAUER Rotary Diopter Rear Sight provides four site stations (CQB, 100m, 200m, 300m) with tool-less windage and elevation adjustment. This sight attaches to the Receiver M1913 Rail and is designed to work in conjunction with the Hooded Front Sight.

This fixed height sight, adjustable for windage, is required when using the Rotary Diopter Rear Sight on the SIG556 Rifle. The hooded front sight is standard on certain models.

Specifications & Features:
4 sight stations (CQB, 100m, 200m, 300m) for accurate engagement at varying distances
Tool-less windage and elevation adjustment
Optimized for M855 and M193 ammunition
M1913 compatible mounting system
Front & rear sight co-witness with Mini Red Dot Sight
Durable steel construction