Magpul MBUS Back-Up Sight Spring Loaded Front Flip-Up - Black MAG247BLK

The Magpul MBUS Front Flip-Up Sight in Black is a dependable, spring‑loaded back-up sight built for shooters who want rugged performance without unnecessary bulk or cost. Designed as a lightweight, color‑injection molded solution, the MBUS system delivers fast deployment, solid lockup, and reliable alignment when your primary optic goes down or when you simply prefer mechanical sights. Its durable polymer construction stands up to harsh use, weather, and impact while keeping weight to a minimum—ideal for modern carbines that demand speed and agility.
Tailored specifically for the AR15/M16 platform, the MBUS Front Sight mounts to most 1913 Picatinny‑railed handguards and deploys with a straightforward, no‑nonsense action. A low-profile fold-down design keeps it out of the way during normal use and resists snagging on gear or obstacles. When needed, a quick press activates the spring-loaded mechanism, snapping the sight into position with firm stability. The sight stays upright until intentionally folded, maintaining a confident, repeatable reference point shot after shot.
Elevation adjustment is simple and user-friendly. The sight ships with a dedicated elevation tool, but it’s also compatible with most aftermarket A2 adjustment tools for added convenience. This means easy tuning in the field, on the bench, or during fast-paced training sessions. The protective wings surrounding the front post help guard against damage, ensuring the sight retains accuracy and functionality even in challenging environments.
Magpul’s attention to detail shows in the fit, finish, and overall handling of the sight. The textured sides provide better grip during manual manipulation, and the reinforced base enhances durability under recoil and extended range time. Whether you’re building a new rifle, upgrading an existing setup, or adding redundancy to a duty weapon, the MBUS Front Sight is a proven, mission-ready option that delivers performance far beyond its price point.
Made in the USA, the MBUS Front Flip-Up Sight reflects the same engineering discipline and reliability that has made Magpul a trusted name among professionals, enthusiasts, and everyday shooters.

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