Which FM is associated with the MK19 automatic grenade launcher?

The MK19 automatic grenade launcher is specifically covered in FM 3-22.27. This field manual provides comprehensive information about the MK19, including its capabilities, employment techniques, maintenance procedures, and safety measures.

FM 3-22.27 focuses on the tactical use of the MK19 in various military scenarios, detailing how infantry units can integrate this weapon system effectively into their operations. It includes information on the role of the MK19 on the battlefield, its range of fire, types of ammunition, and how to operate the system accurately under different conditions.

FM 3-22.9 deals primarily with rifle marksmanship, while FM 3-22.65 covers machine guns in general, and FM 3-22.15 focuses on the M240 machine gun. While these manuals cover their respective weapons thoroughly, they do not provide information specifically relevant to the MK19.