Magpul MBUS Flip-Up Rear Sight

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  • 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 rails, but is tailored to the AR15/M16 platform.
  • Specifications MBUS - Rear Gen 2
  • Weight, w/ hardware: 1.3 oz.
  • Height above rail, stowed: ~0.51 in.
  • Center of aperture to top of rail: 1.42 in.
  • Length, stow.: 2.6 in.
  • Length, deployed: 1.5 in
  • Made in U.S.A.