Kriss USA Defiance Rear Flip-Up Iron Sight Black Polymer - DAPRSBL00

This is a low-profile, flip-up rear sight designed for AR-15 and Picatinny rail-equipped firearms. It features dual apertures (1.5mm and 4.5mm diameter) for various lighting conditions and folds completely flat when not in use, sitting only 14.22mm above the rail surface. The sight is windage adjustable (75 MOA) and constructed from durable black polymer material.