TC 3-22.9 governs rifle and carbine principles, aiming devices, mountable equipment, employment, and movement techniques.
View TC 3-22.9 on armypubs.army.mil
TC 3-22.9 covers M4- and M16-series weapon characteristics, components, operation, cooling, optics, ammunition, firing positions, shot processes, malfunctions, and movement. It requires familiarity with weapon components and operation, weapon stabilization, and control of the rate of fire.
The Army standard service rifle is either the M16-series rifle or M4-series carbine. (paragraph 2-1)
Soldiers must be familiar with these items and how they interact during operation. (paragraph 2-2)
The propellant (or powder) provides the energy to propel the projectile through the barrel and downrange towards a target through combustion. (paragraph 9-13)
The Soldier must stabilize their weapon, whether firing from a stationary position or while on the move. (paragraph 6-29)
The Soldier must maintain the weapon at an exaggerated low-alert carry for the duration of the turn. (paragraph 9-11)