Memorial Day Savings: Take 15% Off $250+ Orders w/ Code: MD15

Memorial Day Savings: Take 15% Off $250+ Orders w/ Code: MD15

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OFF

MAGPUL MBUS® 3 FLIP-UP FRONT SIGHT FOR AR-15

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$28.89 - $37.95

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Made In The U.S.A.

Products marked with the Stars and Stripes are proudly made in the U.S.A.

Many customers have asked us to show which products are made in America, and we’ve begun working with our vendors to identify them. This information, however, is not available for all items nor does it imply that foreign merchandise is of lesser quality. We will continue to gather this information to assist our customers in making informed buying decisions, and will keep our website current with the latest information.

Guaranteed. Forever.®

We make purchasing and returning products as simple as possible. If you buy a product from Brownells and decide you don’t need it, don’t want it, or just don’t like it, we’ll take it back any time… with a few exceptions

Exceptions include: 

  • Firearms
  • Ammunition
  • Modified 80% frames & receivers 
  • Gun powder
  • Primers
  • Liquids
  • Limited Quantity/Hazardous items
  • Products that are subject to pending or implemented restrictions due to Federal, State, or Local regulation/legislation

All other products are Guaranteed. Forever.® you can easily identify these products by the Guaranteed. Forever.® Icon.

Guaranteed. Forever.

Guaranteed. Forever.® return policy applies to the product’s original owner along with proof of purchase. Any items returned within 45 days of shipment are entitled to a refund. Any items returned after 45 days of shipment will be issued store credit in the form of a Brownells Gift Card. If a Brownells/Sinclair product was purchased through another retailer as a new product we will require proof of purchase to replace or refund.  (Refund will be issued as store credit in the form of a Brownells gift card.)  

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.


FEATURES
  • Full-featured spring-loaded flip up sight
  • Tool-less elevation adjustment and dual width enhanced front sight post, similar to MBUS Pro
  • 0.47” high when folded and 1.38” wide at widest point
  • Standard AR-height when deployed
  • Impact-resistant polymer construction, smaller size provides light weight and resists operational abuse
  • Clamps to most mil-std-1913 picatinny rails
  • Made in the USA.


SPECS
  • 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.
Specifications

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