Grouping performance - example 1. The shot groups in Figure G-ll represent acceptable shot groups (4 cm or less) in the same location. It is appropriate to make a sight change of left 4 and down 6. Any change should be clearly marked on the target and saved for reference.
Grouping performance - example 2. The groups in Figure G-12 indicate that proper firing fundamentals are being applied by the soldier for each shot group, but that the soldier could be using a different aiming point each time a shot group is fired. The soldier's understanding of the aiming process is questioned, and his position is checked for consistency. The instructor/trainer cannot determine which shot group best represents the firer's zero; therefore, a sight change should not be made.
Figure G-11. Tight shot groups in the same location (M16A1).
Figure G-12. Acceptable shot groups dispersed (M16A1).
Grouping performance—example 3. The groups in Figure G-13 indicate consistent aiming, but the soldier probably knows when the rifle is going to fire (improper trigger squeeze) or he is firing from an unsteady position.
Grouping performance ~ example 4. The groups shown in Figure G-14 indicate problems with shot-group size and with consistent placement of groups. The four marksmanship fundamentals should be checked.
Grouping performance—example 5. The shot groups shown in Figure G-15, when viewed as nine shots, reflect proper horizontal placement of shots but unsatisfactory vertical dispersion. This indicates a failure to aim at target center of mass for each shot. The soldier's aiming procedure is checked along with other marksmanship fundamentals.
Grouping performance - example 6. The shot groups shown in Figure G-16 are proper groups, but vertical dispersion indicates that a different aiming point is used for each group. The soldier's understanding of the target center of mass and aiming process should be questioned.
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