Description
The Magpul MBUS 3 Front Sight is a next-generation backup sight system that delivers lightweight performance and rock-solid reliability in a low-profile package. Drawing from the strengths of both the original MBUS and the MBUS Pro, this sight offers fast deployment, tool-less adjustment, and excellent durability—all in a compact footprint ideal for modern AR builds.
At just 25 grams with hardware and 0.47” high when stowed, the MBUS 3 Front Sight is engineered for minimal bulk without sacrificing function. Its spring-loaded, ambidextrous push-button deployment ensures rapid readiness, while the dual-width front post and tool-free elevation dial mirror the precision of the MBUS Pro. Made from Magpul’s rugged impact-resistant polymer and compatible with any MIL-STD-1913 receiver-height rail, this American-made sight is built to withstand harsh conditions while staying out of your way until you need it.
Features:
- Low-profile backup front sight: 0.47″ high when folded
- Standard AR-height when deployed
- Tool-less elevation adjustment with enhanced dual-width front post
- Spring-loaded, ambidextrous flip-up activation
- Impact-resistant polymer body for durability and light weight
- Compact design: 1.38″ wide, only 25 g with hardware
- Available in Black, Flat Dark Earth, and OD Green
- Made in the USA
Compatibility:
- Fits MIL-STD-1913 Picatinny receiver-height rails
- Compatible with AR-15, AR-10, M4 Rifle, M16 Rifle, M110, and SR-25 platforms
- Not compatible with railed gas blocks or MOE handguards due to heat/height limitations
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