Perfect buis... - Magpul Industries MBUS Pro Flip Up Sights

Very low profile. I think I read a review somewhere that the front sight wouldn't adjust. It's basically because they didn't follow the directions. Mine did the same thing (kept turning) until I read the manual (RTFM right?). I also read that the roller wheel/adjustments can be difficult to move... as well the sights being difficult to flip up. I oiled mine a little and just spent some time working the sight up and down, up and down... just like a gun - they needed to be broke in a little. The rear seemed fine already, the front was stiffer though. But now - they're both fine and getting better with time.

I primarily bought mine so I could have flip-up backup sights in case my EOTech didn't function as well as to be able to co-witness them (for POA/POI checks). Normally I keeep my BUIS flipped down.