Magpul MAG247GRY MBUS Sight Front Stealth Gray Polymer SpringLoaded Flip Up for AR15 M16

The MBUS Magpul BackUp Sight is a lowcost polymer color injection molded folding backup sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinnyrailed hand guards but is specifically tailored to the AR15M16 platform. Springloaded flip up sight easily activated from either side or by pressing the top release. Protective wings shield the springlocking A2 front sight post. Provides the same height over bore as standard A2 sights. 1.6 MOA 1.886100m per click with 14.5 sight radius. 1.2 MOA 1.367100m per click with 20.0 sight radius. 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. Made in the USA.