For solid and dependable back-up fixed A2 rear sight, the NcSTAR MARDRS
does not take up much of your valuable Picatinny rail space. You can
have a back-up iron sight ready to go at a moment’s notice and have
space for a red-dot/ reflex/ holographic optic on your AR-15 upper
receiver.
The MARDRS will fit virtually all AR-15, M4, and M16 flattop Picatinny rail upper receivers.
A2 rear sight assembly with large and small
rear aperture. The A2 rear sight is fully adjustable for elevation
& windage with knurled click adjustable controls.
Large steel thumb nut and steel rail clamp for positive & secure attachment to your upper receiver.
Compact enough, where you will still be able to mount a red-dot/ reflex/ holographic optic on your AR-15 upper receiver.
Precision made A2 rear sight. The mount and rear sight is made from high quality aluminum and steel.
The AR-15 Detachable Rear Sight is 2 3/4” Length X 1 5/8” Height