The MBUS (Magpul Back-Up Sights) are low-cost, color-injection molded, folding back-up sights. They fit all mil-spec 1913 Picatinny rail-equipped weapons, but are specifically tailored to the AR15/M16 platform. When lying flat, the Gen2 sights sit lower than the Gen1 for less interference with some optics. Overall length is nearly the same as the Gen1. Both the front and rear back-up sights are available in Dark Earth, Foliage Green and OD Green. All mounting hardware is included.
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