See All Open Sight Edge Glow Lit Reticle Fits Rifles and Pistols TACTICAL UPGRADE FOR YOUR FIREARM - Don't rely on old-school iron sights that haven't changed in hundreds of years. The See All Open Sight replaces them with modern technology with NO BATTERY NEEDED! IMMEDIATELY IMPROVE YOUR SHOOTING! Currently being considered for military use, See All Technology will help you gain much faster and accurate target acquisition. Zero parallax error means "What you see is what you shoot!" MORE ACCURATE & RELIABLE THAN YOUR TYPICAL RED DOT SIGHT - No batteries are needed with our built-in "Edge-Glow" polycarbonate technology providing a vast improvement in low light conditions. Zero parallax error means "What you see is what you shoot!" PREMIUM QUALITY! MADE IN THE USA, our Open Sights are built for abuse! 100% Waterproof, tested at up to 200 degrees and rugged enough to withstand the weight of a truck, our sight will always maintain its zero...ALWAYS! FULLY COMPATIBLE - Easy, dependable adjustments that won't budge. Zero in once and never worry again! *NOTE* See All Open Sights are compatible for Milspec Picatinny or Weaver Rails ONLY. **Riser mount recommended for AR-15 applications**