The Armasight CO-MR QS MG (Clip-On Medium Range) is one of the most advanced Night Vision Clip-On systems for shooting at night over the middle distance and which stands above the competition when it comes to clarity, versatility, reliability, function and value. The Armasight CO-MR QS MG converts your existing day scope to night vision and provides excellent target acquisition and aiming. The CO-MR QS MG simply mounts in front of your own standard day optical sight. It is factory bore-sighted to tolerances of less than 1 MOA, so no re-zeroing is required. The CO-MR QS MG allows the user to maintain consistent eye relief and shooting position and because the user views his own day scopes reticle (which he is familiar with), no re-training is required. Recommended for use with day scopes of up to 6-7X magnification, the Armasight CO-MR QS MG is equipped with a locking (but quick-disconnect) mounting system which provides the user with an easy and quick way to attach/detach the CO-MR QS MG on a standard weaver or Picatinny rail. The manual gain control feature (MG) allows the user to increase or decrease image brightness for best possible contrast in any situation. The Armasight CO-MR QS MG is equipped with a high-performance Armasight Quick Silver White Phosphor Gen 2+ IIT with manual gain control providing a clear black and white image and resolution of 47-54 lp/mm.