The MBUS Pro (Magpul Back-Up Sight) is a corrosion resistant all-steel back-up sighting solution that delivers maximum functionality and strength with minimum bulk at a price that's even smaller than its size. The steel case is hardened and finished with Melonite QPQ for extreme resistance to wear and corrosion.
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MBUS Pro sights will mount on any MIL-STD-1913 Picatinny/STANAG 4694 rail, including rail-height gas blocks. The rear sight has dual apertures and features a low-profile knob for easy no-tool windage adjustments, and the front sight features a no-tool elevation adjustment knob.
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Positive detents keep the MBUS Pro Front and Rear at standard sight height when deployed, and so low when they are stowed that you'll never notice them until they're needed. The narrow overall width of the front sight is compatible with most IR aiming laser and light installations for the professional user.
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The MBUS Pro Front Sight features a steel, rectangular sight post selectable between Match and Standard widths. Match width is 0.40" for increased precision, while Standard width is 0.60" for maximum stability.
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