CYMA M4 600 Meter Flip Up Rear Sight
Constructed of Full Metal Material
Tactical Stand Alone Flip Up Rear Sight which is suitable for all M16 Series & AR-Series
Sight is held in the locked down position by a screw release dial
Utilize the same well proven concept as the rear sight on the RIS system
Adjustable Top to Bottom, Left to Right by screwing a dial
300 ~ 600 meter selection in just a second
Built in horizon line feature helps lead distance targets and lets the shooter square the rifle to counter windage offsets
Mount on standard 20mm weaver base