FM (FM ). BROWNING MACHINE GUN,. CALIBER HB, M2. MARCH HEADQUARTERS. DEPARTMENT OF THE ARMY. DISTRIBUTION. M Cal FM study guide by pythonregius24 includes 14 questions covering vocabulary, terms and more. Quizlet flashcards, activities and games help. Start studying M CAL FM Learn vocabulary, terms, and more with flashcards, games, and other study tools.
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Adjusts gunner, alerts WSL once the gunner has shifted. For incendiary effect, especially against aircraft. It can be frontal fire on an enemy column formation or flanking fire on an enemy line formation.
Adjustments in direction and elevation with the machine gun are always given in meters; one finger is used to indicate 1 meter and so on.
This is normally only used to engage aerial targets in self-defense or to fire the final protective fire in the defense to protect the perimeter. Automatic riflemen use assault fire when in 3-2265 combat.
The signal for calling for these fires is normally stated in the defense order. Breaks down barrel bag, prepares to move. For use against enemy personnel and light material targets.
While firing, the gunners periodically check with the leader for instructions.
A final protective fire FPF is an immediately-available, prearranged barrier of fire to stop enemy movement across defensive lines or areas. They must also know how to distribute and concentrate their fire, and how to maintain the proper rate of fire.
A base stake is used to define sector limits and may provide the lay for the FPL or predetermined targets along a primary or secondary sector limit. Coupling this knowledge with an accurate estimate of the length of time and rates of fire their guns are scheduled to fire will ensure enough ammunition resources to cover the entire mission. He advises him of any problems either tactical or administrative. Figure A illustrates steps the leader must take to accurately estimate the ammunition required.
The weapons squad leader must fully understand the mission the amount of available ammunition and the application of machine gun fire needed to fully support all key events of the mission. To distribute fire properly, gunners must know where to aim, how to adjust their fire, and the direction to manipulate the gun. The platoon sergeant or weapons squad leader may position this element and control its fires when the platoon scheme of maneuver is to conduct the assault with 3-22.6 Infantry squads.
M ball ammunition can be fired with the M, but accuracy is degraded. The gunner aligns the front sight post in 32-2.65 center of the 3-222.65 sight and then aligns the sights with the target. Frontal fire is not as desirable when engaging a line formation because the majority of the beaten zone normally falls below or after the enemy target.
Additional considerations for automatic riflemen using assault 3-2.65 include— — Maintaining alignment with the rest of the assault element. For combined armor-piercing and incendiary effect, with the additional tracer feature.
Any dead space encountered along the FPL must be covered by indirect fire, such as from an M Focused on its cleanliness and proper function. They must plan for the rate of machine gun fire needed to support the key events, and the amount of ammunition needed for the scheduled rates of fire.
Cone of fire and beaten zone. Without the support of covering fires, maneuvering in the presence of enemy fire can result in disastrous losses. The machine gun can provide units with a self-defense capability against hostile low-flying, low-performance aircraft. It is important that gunners and leaders understand the technical aspects of the different ammunition available to ensure the machine guns and automatic weapons are employed in accordance with their capabilities.
Whether organic to the unit or attached, machine guns provide the heavy volume of close and continuous fire needed to achieve fire superiority.
FM – Appendix A – Machine Gun Employment « Infantry Drills
Table A-1 lists machine gun specifications and technical data. Prearranged signals are either visual or sound signals such as casualty-producing devices rifle or claymorepyrotechnics, whistle blasts, or tracers. Gunners can use overhead fire when there is sufficient low ground between the machine gun and the target area for the maneuver of friendly forces. All of these positions should be chosen by the leader to ensure his sector is covered and that the machine guns are protected on their flanks.
Lens covers may reduce this effect. Gunners must accurately estimate range to the target and establish a safety limit that is an imaginary line parallel to the target where fire would cause casualties to friendly Soldiers. An FPL is a predetermined line along which grazing fire is placed to stop an enemy assault. Another method is to observe the flight of tracer ammunition from a position behind and to the flank of the weapon.
An FPL is fixed in direction and elevation.