Small Arms Master Gunner (SAMG) is an appointment of a subject matter expert in the field of small arms, optics, and lasers for combat units. Not all units have Small Arms Master Gunners. Units who understand that the knowledge of operating a weapon in conjunction with the myriad assortment of optics and lasers to their fullest extent employ SAMG's to help keep their operators current on these devices. Having a "go-to-guy" at the Division, Brigade, and Battalion levels, who can supply the correct off-sets for bore-lighting the lasers, and who not only understands, but can teach how to zero the optics correctly is an invaluable commodity in the Combat Arms Arena.