For a durable and compact flip-up rear A2 iron sight, the NcSTAR #MARFLR is the AR-15 back-up rear iron sight that you’re looking for.
Precision made flip-up A2 rear sight.
The 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 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.