Magpul MBUS Back up Front sight
The Magpul MBUS Back up sight is your low cost yet durable choice for a folding back up sight. Adjustable for elevation with the included tool. Made to fit most standard 1913 Picatinny Railed hand guards.
- The Lightweight impact resistant polymer construction puts up to operational abuse
- Flip up is spring loaded and activates with the touch of the switch on either top or bottom
- Sight stays up when shooting but can easily fold back in if coming under impact
- Compatible with most MIL-STD-1913 Picatinny Rail reaching same height as standard A2 Iron Sights
- Protective Wings shield the front sight post
- Elevation tool included
- Weight, w/ hardware: 1.2 oz.
- Height above rail, stowed: ~0.51 in.
- Length, stowed: 2.6 in.
- Length, deployed: 1.5 in.
- ~1.6 MOA (1.886″/100m) per click with a 14.5″ sight radius
- ~1.2 MOA (1.367″/100m) per click with a 20″ sight radius
**Note: Not to be used on Railed gas blocks due to excessive heat. Not covered under warranty**