The MBUS (Magpul® Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16 platform.
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Impact resistant polymer construction provides lightweight and resists operational abuse
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Spring-loaded flip up sight easily activated from either side or by pressing the top
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Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail. A2 height
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Protective wings shield the dual, same plane flip apertures
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Detent knob easily and positively adjusts windage
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California Proposition 65 Notice: This product contains chemicals known to the State of California to cause cancer, birth defects, and/or other reproductive harm.
