Get on Amazon : br br Monstrum Tactical 3x30 Rifle Scope with Illuminated Range Finder Reticle br br High optical clarity at 3 times magnification and 30 mm objective diameter br Glass range finder reticle for on-the-fly range estimation and long distance targeting br Dial controlled reticle illumination in both red and green with multiple brightness intensities for clean sight picture regardless of lighting or environment br Integrated rail mount fastens securely to any flat top Weaver or Picatinny rail equipped rifle br Designed for long and comfortable eye relief of 3 inches :