6002. Supported Firing Positions. Supports are foundations for positions; positions are foundations for the rifle. To maximize the support the position provides, the firing position should be adjusted to fit or conform to the shape of the cover. Elements of a sound firing position, such as balance and stability, must be incorporated and adjusted to fit the situation and type of cover. A supported firing position should minimize exposure to the enemy, maximize the stability of the rifle and protection from enemy fire, and provide observation of the enemy. A Marine can use any available support (e.g., logs, rocks, sandbags, or walls) to stabilize his firing position. The surrounding combat environment dictates the type of support and position used.
a. Firing Position Considerations When Using Cover and Concealment. Regardless of the combat environment (e.g., urban, desert, jungle), the uses are the same for different types of cover of like height and width. For example, cover is used to support the weapon and position in the same manner behind a tree or a telephone pole; behind a berm, or a wall, or a vehicle; or behind a log or a curb; etc.
(1) Adjusting the Shooting Position. The proper use of cover provides protection from enemy fire. Cover and concealment should provide additional support for the position. The type of cover can dictate which firing position (e.g., standing, kneeling, sitting, prone) will be the most effective. For example, a Marine's height in relation to the height of the cover aids in the selection of a firing position.
(a) The firing position selected should be adjusted to fit the type of cover to:
• Provide stability. The position should be adjusted to cover to stabilize the rifle sights and allow the management of recoil to recover on target.
• Permit mobility. The position should be adjusted to cover to permit lateral engagement of dispersed targets and movement to other cover.
• Allow observation of the area/enemy while minimizing exposure to the enemy.
(b) The firing position is adjusted to fit the type of cover by adjusting the seven factors (i.e., left hand, pocket of shoulder, right elbow, stock weld, grip of right hand) to support the rifle or the position.
(2) Keeping the Entire Body Behind Cover. A Marine should minimize exposure of any part of his body to fire. Be especially aware of the head, right elbow, knees, or any other body part that may extend beyond the cover.
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