ProMag AR-15 Flip Up Rear A2 Sight PM137

ProMag
708279007774
PM137
ARR-162
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Flip rear A2 sight for AR-15, M16, and M4 can be used as a co-witness iron sight with most red dot and holographic sights, or as a stand-alone rear sight. Weighing in at just over two ounces, it features standard military A2 style dual peep apertures, which allows for a known point of impact. Full windage adjustment, with one click of the windage knob providing approximately 0.48 MOA change when mounted on an AR-15 or M16 rifle and about 0.65 MOA on an M4 carbine.

Features a low profile design, so that when in the down position, it will clear most optics. Locks in its upright position and a spring loaded release button must be depressed to flip it down. The sight body and stem are precision machined from T6 aircraft grade aluminum, then Type III hard anodized. Steel parts are CNC machined, then black phosphate coated per military specifications. Mounted to the rail via a locking bar and secured with a cross slotted, knurled thumb screw.

Features and Specifications:
Manufacturer Number: PM137
Can be used as a co-witness iron sight with most red dot and holographic sights, or as a stand-alone sight
Features the standard military A2-style double peep aperture
Has full windage adjustment
Steel parts are CNC machined, then black phosphate per mil-spec
Mounted to the rail via a locking bar and secured with a cross slotted, knurled thumb screw