Add an A2 style iron sight from NcSTAR to your flat top AR rifle. This detachable rear sight for use with any flat top rail system features dual apertures, one for long range and one for short range. Adjustable for windage and elevation. Large steel thumb nut and steel rail clamp for positive and secure attachment to an upper receiver.Compact enough to still be able to mount a red-dot, reflex or holographic optic on an AR-15 upper receiver. Made of solid anodized aluminum for prevention of corrosion and lasting durability.

Features and Specifications:
Manufacturer Number: MARDRS
Dual apertures, one for long range and one for short range
Compact enough to still be able to mount a red-dot, reflex or holographic optic on an AR-15 upper receiver
Adjustable for windage and elevation
Large steel thumb nut and steel rail clamp
Made of solid anodized aluminum
Total weight: 5.1 ounces
Length: 2.7 inches