The Magpul MBUS Pro Offset Rear Sight provides a compact, iron-sight backup option that supplements magnified optics on M1913 Picatinny mounting surfaces. When optics are unavailable or a close-range sighting option is preferred, rotating the rifle 45 degrees places the MBUS Pro Offset sights into full use while maintaining a low-profile footprint. The rear sight offers tool-less windage adjustment and positive detented lockup when deployed, and it is specifically designed for compatibility with AR-platform rifles. Construction and aperture sizing prioritize repeatable zeroing and long-term durability.
Key Specifications
- Constructed from melonited steel for corrosion resistance and durability.
- Mounts to a M1913 Picatinny rail interface for standard AR-platform compatibility.
- Designed to fit AR-15 style platforms.
- Features dual rear apertures with a small aperture of 0.07 in and a large aperture of 0.19 in.
- Provides 0.50 MOA nominal windage adjustment per the product attributes.
- Per-click windage increments are 0.5 MOA (0.566″/100m) with a 14.5″ sight radius and 0.4 MOA (0.410″/100m) with a 20″ sight radius, as specified by the manufacturer.
- Includes tool-less windage adjustment for quick field zeroing.
- Folding style with positive detented lockup when deployed to maintain consistent alignment.
- Compatible only with the MBUS Pro OFFSET front sight MAG525.
- Made in the USA.
As a compact, low-profile backup sight, the MBUS Pro Offset Rear Sight is intended for shooters who require a reliable secondary aiming option that integrates cleanly with magnified optics and modern rail systems. Its steel construction and positive lockup provide a durable, repeatable sighting solution for field use and range work without adding unnecessary bulk to the upper receiver.
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