Magpul AR-15 MBUS Rear Sight

Item # WX2-689521

Item currently sold out

Item currently sold out

Details & Specs

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. A must for dead-on accuracy!

  • Impact-resistant polymer construction resists operational abuse
  • Spring-loaded flip up sight is easily activated from either side or by pressing the top
  • Spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
  • Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail
  • Provides the same height-over-bore as standard A2 iron sights
  • Protective wings shield the dual, same plane flip apertures
  • Sight can still be folded with either large or small aperture in position
  • Knob easily and positively adjusts windage

Eyeball the precision by ordering ONLINE today!

Key Specifications
  • Item Number: 689521
  • 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
  • Height above rail, stowed: ~0.51"
  • Length: Stowed: 2.6", deployed: 1.5"
  • Weight with hardware: 1.3 ozs.
  • Mfg. Number: MAG248
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