-Precision made flip-up A2 rear sight. TheNcS-MARFLR will fit virtually all AR-15, M4, and M16 flattop Picatinny rail upper receivers.
-A2 rear sight assembly with large and small rear aperture. A2 rear sight is fully adjustable for windage with knurled click adjustable controls.
-Large steel thumb nut and precise rail clamp for positive & secure attachment to your upper receiver.
-With the NcS-MARFLR flip-up sight folded down, it’s 1 7/8” Length X 11/16” Height (mount height) & 1 1/16” Height (A2 sight base when folded).
Precision made A2 rear sight. The mount and rear sight is made from high quality aluminum and steel.