The German-made M5Xi Riflescope from Steiner features world-class engineering and optical systems, built to strict military specs and precisely crafted for victory - on the battlefield, or in competition. The 1-5x is for marksmen rifles, patrol rifles and AR/M4 platforms, with true eyes-open 1x magnification, and zoom feature to locate targets at longer distances. The 3-15x is for mid-range shooting, ideal for snipers using the M110 platform or competition shooters with precision bolt guns. The 5-25x is the ultimate sniper scope for long-range platforms and large calibers. Broadband anti-reflection coating for optimal performance in low light. Optimized exterior design with larger, positive grip elevation, windage, parallax, and illumination knobs and non-slip diopter and magnification adjustment. Precise click-by-click windage and elevation adjustment. Fully waterproof, fogproof, shockproof design.