Magpul MBUS® Gen 2 SIGHT – FRONT

MSRP: $37.95 - $39.95
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(5 customer reviews)


The MBUS (Magpul® Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is specifically tailored to the AR15/M16 platform.

Made in U.S.A.


Impact resistant polymer construction provides light weight and resists operational abuse
Spring-loaded flip up sight easily activated from either side or by pressing the top
Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
Clamps to most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guard and provides the same height-over-bore as standard A2 irons
Protective wings shield the spring-locking A2 front sight post
Elevation adjustment tool included, but most aftermarket A2 front sight adjustment tools may be used as well

MBUS – Front

Weight, w/ hardware: 1.2 oz.
Height above rail, stowed: ~0.51 in.
Length, stowed: 2.6 in.
Length, deployed: 1.5 in.

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

Additional information

Weight 3.2099305402425 oz
Dimensions 3 × 2 × 1 in

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5 reviews for Magpul MBUS® Gen 2 SIGHT – FRONT

  1. suppressed_nation (verified owner)

    Shipped within hours of ordering! Sights work as intended and color looks great

  2. cpassman97 (verified owner)

    Good low profile/ weight backup sight. The first one I received was missing the picatinny cross bolt. Big Tex responded to my email in less than 20 minutes and had a replacement shipped before the end of the day

  3. claytonpassman97 (verified owner)

    Good back up sight that stays out of the way unless it’s needed. As always amazing customer service and fast ship from Big Tex

  4. joeyjan (verified owner)

    Fast shipping and great product as usual with Magpul

  5. adrianwolf71 (verified owner)

    Great price and great shipping. Easy to set up and use

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