The ohhunt Sight is a low-cost, color injection molded, folding back-up sight. The ohhunt Front Rear Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is specifically tailored to the AR15/M16 platform. Impact resistant polymer construction provides light weight and resists operational abuseSpring-loaded flip up sight easily activated from either side or by pressing the topDetent and 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 guardProtective wings shield the spring-locking A2 front sight postmost aftermarket A2 front sight adjustment tools may be used as well