The G33 magnifier is the selected magnifier of USSOCOM, and is compact and lightweight. The mount provides fast transitioning from 3x to 1x, and the optic offers tool-free vertical and horizontal adjustments, larger field-of-view and an adjustable diopter for improved, precise focusing. The G33 works with all Eotech HWS models.Specifications:Dimensions: 4.4"L x 2.2"W x 3.3"HWeight: 10.6ozWater Resistant: 33ft DepthMount: 1" Weaver or MIL-STD-1913 RailOperating Temperature: -40Adeg F to 140Adeg FFixed Magnification: 3xEye Relief: 2.2"Field-of-View: 7.3AdegSealing: Fog Resistant Internal OpticsCountry of Origin: USA