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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The MBUS (Magpul Back-Up Sight) is a low-cost color injection molded folding back-up sight. The…
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The next evolution in our MBUS (Magpul Back-Up Sight) line the MBUS 3 incorporates the best features…
