Trijicon's MGRS is a non-magnified optics that mounts to both the M2 and M240 machine guns. The Trijicon MGRS is intended to aid the machine gunner in rapid target acquisition and engagement that will allow to keep both eyes open from a natural shooting position. Accuracy is enhanced by the use of machine gun specific interchangeable Range Dials and performance is assured with a strong 7075-T6 forged aluminum housing. Trijicon MGRS 35 MOA Red Segmntd Circle w/ 3.0 MOA Sight MGRS-D-2300002