The Spring Actuated A2 Back Up Iron Sight are a great option to back-up or cowitness with optics. This sight comes either as a standard flip-up with a locking detent or as a spring-actuated flip-up with locking detent. The detent release is located on the left hand side so the off hand has quick and easy access to let the sight down.
Easily installs onto Mil-Std-1913 dovetail rail
Sight presents a low profile when in the down position, allowing clearance for most optics
Solid squeeze rail attachment mechanism with counter sunk crossbolt to eliminate snags
Sight has full windage adjustment with a tactile windage knob and windage screw
Initial elevation zero on the sight is set by adjusting the weapons front sight post
A2 spring actuated back up iron sight is compatible with all GG&G Flip Up Front Sights
All edges have been deburred and softened to protect the shooter
Can be used as a stand-alone sight, in conjunction with GG&G interface rails, or as a true center co-witness iron sight with most red dot optics
SA A2 black up iron sight cannot be folded down without depressing the actuator button located on the left side of the sight base, eliminating the possibility of accidentally lowering the sight
Windage knob click provides approximately 0.48 MOA change when mounted on the 20" AR-15 rifle and about 0.65 MOA on the 14.5" M4 carbine
Include requesting a Trijicon green tritium aperture, factory installed for you
Material: 6061 T6 Aluminum
Finish: Hard Coat Anodized Non-Reflective Black
Weight: 1.8 oz.
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WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.