The New NcSTAR 3-RAIL SIGHTING SYSTEM is a new generation of modular tactical sighting systems. The unique sighting system mount that encompasses a variable 3x-9x power 42mm. scope allows the shooter to mount many different accessories directly to the scope for quick and easy access. You can mount a secondary sight (red dot/ reflex sight), laser targeting, and/or a tactical flashlight directly to the scope. The scope has a total of 13¾ inches of rail space on the sighting system mount for a wide variety of accessories. Blue Illuminated reticle makes this Scope ideal for use in any light conditions. Keeps the weight of the accessories closer to the center balance of the firearm, avoiding the front heavy barrel feel of all the accessories mounted at the front end of the barrel. Fits virtually any Weaver/Picatinny rail, making it possible to fit onto a wide variety of firearms. Manufactured from aircraft quality anodized aluminum. This is the ideal solution for a shooter that wants a modular sighting system that allows the easy attachment of accessories to their scope. Comes with a P4 Sniper Reticle.