Tactical Flip Up Rear Sight which is suitable for all M4 Series
Utilize the same well proven concept as the rear sight on the RIS system
Sight is held in the locked down position by a quick release lever
Initial elevation zero utilizes the stand M-Series front sight bead.
Mount on standard 20mm weaver base
Constructed of casting Alloy Metal Material, extra Strong Shock Absorption ability

Built Material :Alloy Metal