Magpul MBUS Front Sight

Item No. 87375000432
39.99 $39.99
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Product Details

Magpul MBUS Front Sight


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.


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


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

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