Crew-Served Machine Guns, 5.56-mm and 7.62-mm — FM 3-22.68 (FM 23-67)

This manual provides technical information, training techniques, and guidance on the crew-served machine guns, 5.56-mm and 7.62-mm (M249/M60/M240B). The purpose of this manual is, to provide a one-source document for all three weapons. This prohibits having several sources to rely on. Unit leaders, trainers, and the designated gunners will find this information invaluable in their efforts to successfully integrate these automatic weapons into their combat operations.