Palmetto State Armory M-16 replica built lower with 16" length upper with 10" quad rail. Optic includes Sightmark Wraith HD 2-16x28 digital rifle scope with the HD wraith IR illuminator mounted on top for maximum night viewing range. Night range of scope is out to 300 yrds in 0 moon illumination with IR illuminator on full. Scope and rifle have been used but are in good condition. NOTE: rifle does not have the "Burst" function enabled dispute the lower displaying this. It is purely for the replica design that is says this.