Magpul MBUS Pro Rear Sight Flip-Up Back-Up Sight zoom in
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Magpul MBUS Pro Rear Sight Flip-Up Back-Up Sight

$109.99
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The MBUS Pro (Magpul® Back-Up Sight) is a corrosion-resistant all-steel back-up sighting solution that delivers maximum functionality and strength with minimum bulk at a price that's even smaller than its size.

The dual aperture, windage adjustable rear sight excels in all 1913 Picatinny rail mounting applications, including rail-height gas blocks. Positive detents keep the MBUS Pro at standard AR sight height when deployed, and so low when they are stowed that you'll never notice it until it's needed. 

  • All steel construction
  • Case hardened and finished with Melonite QPQ™ for extreme resistance to wear and corrosion
  • Mounts on any MIL-STD-1913 Picatinny / STANAG 4694 rail including receiver-height gas blocks
  • Windage adjustable with low-profile knob - no tools required
  • Positive detents in both the up and down positions
  • Standard AR sight height when deployed
  • Color: Black
  • Windage adjustment: ~0.5 MOA (0.566"/100m) per click with a 14.5" sight radius
  • Windage adjustment: ~0.4 MOA (0.410"/100m) per click with a 20" sight radius
  • Small aperture dia.: 0.07"
  • Large aperture dia.: 0.19"
  • Height above rail at mid-point (stowed): Approx. 0.37"
  • Length (stowed): 2.1"
  • Weight: 1.8 oz.
  • Made in USA
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Magpul Industries
Magpul Industries
Magpul® was founded in 1999 with the intent of developing a simple device to aid in the manipulation of rifle magazines while reloading under stress. The company’s name comes from this original product called the Magpul. Over the last nineteen years Magpul has continued to grow and develop using much the same mission and process with a focus on innovation, simplicity, and efficiency.
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MAG276

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 $109.99