Magpul MBUS Front Sight Gen 2 Flat Dark Earth

$37.95 25 in stock
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Magpul's affordable polymer MBUS front sight features spring-loaded flip-up design, elevation adjustment, and protective wings. Tailored for AR-15/M16 platforms with Picatinny rails.

Fits: AR-15

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Magpul MBUS Front Sight Gen 2

The MBUS (Magpul Back-Up Sight) represents an intelligent approach to affordable backup sighting. This polymer, color injection-molded sight delivers dependable performance without breaking the bank.

Key Features

  • Spring-loaded flip-up design activates easily from either side or via top release
  • Elevation adjustable for precise zeroing at your preferred distance
  • Protective wings shield the A2-style front sight post from damage
  • Same height over bore as standard A2 sights for familiar shooting geometry
  • Picatinny rail compatible with most 1913-railed handguards
  • AR-15/M16 optimized design ensures proper fit and function
  • Made in the USA

Adjustment Specifications

  • 1.6 MOA per click (1.886"/100 yards) with 14.5" sight radius
  • 1.2 MOA per click (1.367"/100 yards) with 20.0" sight radius
  • Elevation adjustment tool included; compatible with most aftermarket A2 tools

Important Mounting Notes

The front MBUS must mount to a railed foreend on the same plane as the receiver rail. Do not mount to railed gas blocks due to heat concerns. Not compatible with MOE handguards.

This is a genuine backup sight—reliable, rugged, and ready when you need it.

Features

  • 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
  • polymer construction provides light weight and resists abuse
  • detent and spring pressure keeps sight in place but allows for unobstructed folding under impact
  • attached to m1913 rail
  • detent and spring pressure keeps sight in place

Attributes

Base Configuration: Picatinny Rail
Description: Front
Elevation Adjustment: 1.60 MOA / 1.20 MOA
Finish: Flat Dark Earth
Finish: Other Finish
Firearm Fit: AR-15
Firearm Fit: Picatinny
Firearm Type: AR Platform
Frame Color: Flat Dark Earth
Material: Polymer
Model: MBUS
Overall Length: 6.5"
Series: Accessories
Style: Folding Back Up Sight
Type: Front
Type: Sight