Tough Sight ,as selected by Crane Naval Surface Warfare Center-Spec-Ops.
Action tactical airsoft flip up sight set.
Use to add up / replace the original one .To increase shooting accuracy
Tactical flip up sight set which is suitable for all 20mm RIS/RAS
Unique design of spring loaded sight Set . Easy operation 
Built in horizon line feature helps lead distance targets and lets the shooter square the rifle to counter windage offsets.
Constructed of casting alloy metal &polymer, extra strong shock absorption ability

Color : Black
Weight :160g
Material - Alloy metal / polymer