Designed for use with handguns and long guns alike, the?AR Optics Advance Red Dot Sight?from?Bushnell?will help you acquire your target quickly. This 1x-magnification sight features a matte black finish and projects a 5 MOA red dot. The optic is O-ring sealed and nitrogen purged for waterproof and fogproof performance. It is compatible with the Glock Mount Plate #1, the Savage MSR, and many other firearms.