MK 19, 40-mm Grenade Machine Gun, MOD 3 (FM 3-22.27 / FM 23.27) (With Change 1 –

It also includes preliminary gunnery, a gunnery skills test, gunnery tables, and qualification tables. The primary audiences for this manual are soldiers, trainers, and staff officers. In all cases, units must evaluate their training to ensure that it follows the building-block principle and adheres to sound training policy.