The GG&G A2 AR 15 rear sight is the number
one selling Back Up Iron Sight (BUIS). It provides the operator with an
easy-to-install and easy-to-operate flip up rear sight, and includes
the all important locking detent. Besides providing a low profile "ready
to go" BUIS when you need it, features include a tactile ergonomic
windage knob, a counter sunk crossbolt to eliminate the possibility of
snags, and streamlined body. The A2 sight is always at the tactical
ready once placed in the up position. The sight cannot be folded down
without depressing the spring assisted detent release button located on
the left side of the sight base. This totally eliminates the possibility
of accidentally lowering the sight.
The A2 AR-15 rear sight
can be used as a co-witness iron sight with most red dot sighting
systems, as a stand-alone sight or in conjunction with one of our
interface rails. Weighing in at just over two ounces, it features the
standard military A2-style double peep aperture which allows for end
user known point of impact. The sight has full windage adjustment with
the tactile windage knob. One click of the windage knob provides
approximately 0.48 MOA change when mounted on the M16A2E4 rifle and
about 0.65 MOA on the M4 carbine. Initial zero is set by adjusting the
weapons front sight post. It is low profile so that when in the down
position, it will clear most optics. The mount body and sight stem are
manufactured from billet 6061 T6 aluminum alloy and Type III hard coat
anodized in a non-reflective black mil-spec finish to provide combat
durability. All steel components are black manganese phosphated per
mil-spec. These are the same back up iron sights used by elite armed
forces and law enforcement teams world wide.
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