magpul - MBUS Sight Front

Impact-resistant polymer construction provides light weight & resists operational abuse-Spring-loaded flip up sight easily activated from either side or by pressing the top-Detent & spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.-Clamps to most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guard* & provides the same height-over-bore as standard A2 irons-Protective wings shield the spring-locking A2 front sight post-Elevation adjustment tool included, but most aftermarket A2 front sight adjustment tools may beused as wellElevation Adjustment:1.6 MOA (1.886"/100m) per click with a 14.5" sight radius1.2 MOA (1.367"/100m) per click with a 20" sight radius*Note: Cannot be mounted to a railed gas block due to excess heat issues. Front MBUS must be mounted to a railed fore end on the same plane as the receiver rail. Because of this the sight is also not compatible with MOE Hand Guards.