Magpul Industries

MAGPUL MBUS® Front Gen 2 (FDE)

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MSRP: $39.95
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MAGPUL MBUS® Front Gen 2 (FDE)

Elevate your AR15/M16 with the MAGPUL MBUS Front Sight Gen 2 - FDE, offering a reliable, cost-effective backup. This spring-loaded, flip-up sight is easily activated and adjustable for elevation, ensuring precision. Crafted from durable, impact-resistant polymer, it mounts effortlessly on most 1913 Picatinny rails, aligning with standard A2 irons. Featuring protective wings for the sight post and designed to maintain its position through detent and spring pressure, the MBUS Gen 2 is an essential addition for tactical readiness and accuracy.


  • SPRING-LOADED FLIP UP SIGHT: Easily activated from either side or by pressing the top. Protective wings shield the spring-locking A2 front sight post.
  • DETENT AND SPRING PRESSURE KEEPS SIGHT ERECT: Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
  • CLAMPS TO MOST MIL-STD-1913 PICATINNY RAILS: Compatible with most MIL-STD-1913 Picatinny / STANAG 4694-railed handguards* and provides the same height-over-bore as standard A2 irons


  • Height above rail, stowed: ~0.51 in.
  • Length, deployed: 1.5 in.
  • Length, stowed: 2.6 in.
  • Weight, w/hardware: 1.2 oz.
  • Elevation Adjustment
    • ~1.6 MOA (1.886"/100m) per click with a 14.5" sight radius
    • ~1.2 MOA (1.367"/100m) 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 fore end on the same plane as the receiver rail. Because of this the sight is also not compatible with MOE Hand Guards.


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Warranty Information

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1 Review

  • 5
    Good Service!

    Posted by Paul Osness on Nov 21st 2020

    As I slowly put together some lowers I like everyone have struggled to find parts. I found a few of the things I needed here. Parts were in stock as advertised and shipped quickly. I will do business with them again!

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