The Magpul MBUS 3 Rear Sight offers a compact, streamlined design for AR-platform rifles, bringing the same proven reliability as earlier MBUS generations with an even slimmer profile. Constructed from impact-resistant polymer and corrosion-resistant hardware, it provides rugged field durability while maintaining a low folded profile to minimize snagging.
This rear sight features Magpul’s Rapid-Select Aperture System, allowing shooters to quickly switch between long-range precision and close-quarters aiming. The spring-loaded ambidextrous deployment levers enable fast activation from either side, and the sight locks positively into place when deployed.
Optimized for Picatinny rail mounting, the MBUS 3 Rear Sight pairs perfectly with the MBUS 3 Front Sight for a complete, lightweight back-up iron sight system.
Key Features:
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Model: MAG1167
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Type: Flip-up rear back-up sight
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Material: Impact-resistant polymer with steel hardware
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Finish: Black
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Mounting: Picatinny rail
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Apertures: Dual-aperture Rapid-Select system
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Deployment: Spring-loaded, ambidextrous release levers
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Compatibility: AR-15/M4/M16 platforms and similar Picatinny setups
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Height (deployed): Standard AR rear sight height for co-witness
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Made in USA
FAQ:
Q: What is the Rapid-Select Aperture System?
A: It allows quick selection between small aperture for long-range accuracy and large aperture for close-quarters speed.
Q: Will it fit my AR-15?
A: Yes. It mounts to any standard Picatinny rail and is compatible with most AR-platform rifles and carbines.
Q: Is this a metal or polymer sight?
A: It is made from impact-resistant polymer with corrosion-resistant steel hardware.
Q: Can it be used with optics?
A: Yes. It co-witnesses with most red dot optics when mounted at standard AR height.
Q: How does it deploy?
A: It features a spring-loaded ambidextrous release system that allows fast, positive activation from either side.
Brought to you by Black Bayou Armory.
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