The MBUS (Magpul® Back-Up Sight) is a low-cost, color injection-molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is specifically tailored to the AR15 / M16 platform.
An elevation adjustment tool is included, but most aftermarket A2 front sight adjustment tools may be used as well.
Made in the USA.
SPRING-LOADED FLIP UP SIGHT
IMPACT-RESISTANT POLYMER CONSTRUCTION
DETENT AND SPRING PRESSURE KEEPS SIGHT ERECT
CLAMPS TO MOST MIL-STD-1913 PICATINNY RAILS
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