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Magpul MBUS 3 Sight – Front

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The next evolution in our MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system.

Significantly reduced in size from the MBUS, it sits at just 0.47” high when folded, 1.38” at its widest point, and weighs a scant 25 grams with hardware. Its aesthetics are derived from the MBUS Pro, but the MBUS 3 Front Sight is constructed of our impact-resistant polymer, making it lightweight and extremely durable. Featuring the same spring-loaded technology as its predecessor, they can be deployed with an ambidextrous push-button.

The MBUS 3 Front Sight sits at standard AR-height when deployed and includes tool-less elevation adjustment of a dual width enhanced front post similar to the MBUS Pro.

  • Made in the USA
  • Position: Front
  • Height above rail, stowed: ~0.47 in.
  • Platform: AR10, AR15, M4, M16, M110, SR25
  • Weight, w/ hardware: 25 g

ELEVATION ADJUSTMENT
~1 MOA (1.131”/100 m) per click with a 14.5″ sight radius
~0.7 MOA (0.820”/100 m) per click with a 20″ sight radius

*NOTE: Cannot be mounted to a railed gas block due to excess heat issues. Front MBUS must be mounted to a railed forend on the same plane as the receiver rail. Because of this the sight is also not compatible with MOE Hand Guards.

Note: This item is only compatible with Picatinny rails

$37.95

Only 10 left in stock

Additional information

Weight 0.5625 lbs