The EOTech G33 3x STS Magnifier is a quick and easy way to increase the range of your favorite red dot sight. Produced by EOTech, one of the top brands for Elite Special Operation Forces weapon accessories, this magnifier is powerful and accurate. Offering 3x magnification, the EOTech G33 3x STS Magnifier not only extends the range of your red dot sight, but also improves your shooting accuracy. This device features a STS (Switch to Side) mount, which enables you to engage and disengage the magnifier quickly by simply flipping it over to the side. Dimensions: 3.9?L x 2.2?W x 3.3?H (99mm x 55.9 x 83.9mm) Weight: 11.2 oz / 317.5 g Water Resistant: Submersible to 33 ft./10 m Mount: 1? Weaver or MIL-STD-1913 rail Magnification: Fixed 3x Eye Relief: 2.2" (55.8mm) Field of View: 7.3 degrees Fog resistant internal optics May or may not include accessories.