The G30.FM Magnifier provides shooters with the same great magnification properties as our battle-tested G33 Magnifier at less than half the cost, this new-for-2020 product features a quick- detach fixed mount for fast and simple mounting and unmounting behind an HWS. The G30 works with all EOTECH HWS models. EOTECH guarantees every product to be free from manufacturing defects in material and workmanship under normal use for a period of ten (10) years from the manufacturer's date or customer's proof of purchase. See EOTECH's Prestige Warranty details for more information. Specifications Fixed Magnification 3X Eye Relief 2.2" (55.8 mm) Field of View 7.3Adeg Sealing Fog resistant internal optics