Material is reflector gunsight glass per mil-r-6771, type 1; color is lusterless black no.37038 in accordance with fed-std-595; item is upper type; line of sight deviation, 15 sec.Max; beveled edges, fine gray ground; reflective coating, non-polarized, 24 pct, porm 3 pct reflectance; antireflective coating high efficiency type mgfl per mil-c-675; reflectance w/incident non-polarized light, max.Average 0.9pct, max.Absolute 1.4pct; wave lg range reflectance 400-700 nan0meters; angle of incidence porm 10 pct, 51deg; o/a dim., 16.520in.Lg, 8.750in.W, 0.230 in.Thk
