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The Magpul MBUS Pro (Magpul Back-Up Sight) Rear sight is an all-steel back-up sight with maximum functionality and strength with minimum size. Dual aperture sights with windage adjusted via a knob. Easily mounts on a Picatinny rail. Positive detents keep the MBUS Pro at standard AR sight height when deployed or stowed. Finished with Melonite QPQ for extreme resistance to wear and corrosion.


Color Black
Weight 1.8 oz.
Height above rail, stowed, at mid-point: ~0.37 in. max
Length, stowed: 2.1 in.
Aperture height over rail: 1.41 in.
Small aperture dia.: 0.07 in.
Large aperture dia.: 0.19 in.