Magpul MBUS Flat Dark Earth Sight, Rear MAG248-FDE

The MBUS (Magpul® Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15 / M16 platform.

Made in the USA.

Product Features: 

• Spring-Loaded Flip-Up Sight Easily Activated from Either Side or By Pressing the Top 
• Protective Wings Shield the Dual, Same Plane Flip Apertures
• Sight Can Still Be Folded with Either Large or Small Aperture in Position
• Detent Knob Easily and Positively Adjusts Windage
• Polymer Construction Provides Light Weight and Resists Operational Abuse
• Detent and Spring Pressues Keeps Sight Errect but Allows for Unobstructed Folding Under Impact, etc.
• Clamps to MIL-STD-1913 Picatinny/STANAG 4694 Receiver Rail and Provides the Same Height-Over-Bore as Standard A2 Irons
• Position: Rear
• Height Above Rail, Stowed: ~0.51"
• Length, Deployed: 1.5"
• Length, Stowed: 2.6"
• Weight W/ Hardware: 1.3oz
• Center of Aperture to Top of Rail: 1.42"

Windage Adjustment: 

• ~0.7 MOA (0.754"/100m) per click with a 14.5" sight radius
• ~0.5 MOA (0.547"/100m) per click with a 20" sight radius