G&P M4/M16 Military 600M Flip Up Rear Sight (Sand)

Details

G&P M4/M16 Military 600M Flip Up Rear Sight 
Tactical Stand Alone Flip Up Rear Sight which is suitable for all M4 / M16 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 dial 
Initial elevation zero utilizes the stand M-Series front sight bead 
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 
Constructed of Full Metal Material, extra Strong Shock Absorption ability