This 4×23 Pro Rifle Scope is outstanding and designed to withstand the toughest of conditions. Maximum precision, reliability and uncompromising performance are what you get with this rifle pro COMET scope. Multi-coated optics for incredible brightness, one-piece main tube construction and hard anodized aircraft grade aluminium body. This COMET pro scope is compleat with tall metal Picatinny rail mounts and an Allen key wrench to fit the scope on to the months. This scope also features covered twist turrets for elevation and windage allow quick and precise bullet drop and wind drift compensation at extended ranges. This TX Optics rifle scope is one of the best we have seen.