Army Force Polymer M4SS Flip-up Rear Iron Sight (SG040)

Army Force Polymer M4SS Flip-up Rear Iron Sight (SG040) Polymer Construction Airsoft Iron Sight Flip-up System Adjustable Sight The sight is held in the locked down position by a quick release lever, that prevents the sight from being accidentally engaged Fit to Mount on 20mm Picatinny Rail System Handguard