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Lightweight, impact-resistant polymer construction
Spring-loaded flip-up sight
Adjustable for windage
Fits most 1913 Picatinny rails
Specially designed for the AR-15/M16
The new MBUS (Magpul Back-Up Sight) GEN 2 Rear Sight is a low-cost, color injection molded, folding back-up sight. Made from lightweight, impact-resistant polymer. Spring-loaded flip-up sight with ambidextrous activation. Protective wings shield the dual flip apertures. Adjustable for elevation and fits most 1913 Picatinny-railed hand guards. Specifically tailored to the AR15/M16 platform. Weighs only 1.3 oz.
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