Magpul MBUS Pro Rear Sight - Back-Up SightThe Magpul MBUS Pro Rear Sight is the flip-up sight of choice for anyone looking for a high quality, reliable, heavy duty, dependable, accurate BUIS (back up iron sight). Features of the Magpul MBUS Pro Rear - Back-Up Sight:
- All steel construction
- Case hardened and finished with a ferritic nitrocarburizing process for extreme resistance to wear and corrosion
- Mounts on any MIL-STD-1913 Picatinny/STANAG 4694 rail
- Windage adjustable with low-profile knob – no tools required
- Positive detents in both the up and down positions
- Standard AR sight height when deployed
- Weight, w/ hardware: 1.80 oz.
- Height above rail, stowed, at mid-point: ~0.37"
- Length, stowed: 2.1"
- Aperture height over rail: 1.41"
- Small aperture dia.: 0.07"
- Large aperture dia.: 0.19"