The GG&G A2 AR-15 Back Up Sight is #1 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, it features include a tactile ergonomic windage knob and counter sunk crossbolt to eliminate the possibility of snags, incorporated in a streamlined body. The A2 back up iron sight is always at the tactical ready once placed in the up position.
2 BUIS is easy to install
Solid squeeze rail attachment mechanism with counter sunk crossbolt to eliminate snags
Full windage adjustment with the tactile windage knob
A2 BUIS presents a low profile when in the down position, allowing clearance for most optics
Initial zero is set by adjusting the weapons front sight post
A2 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
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.