Grouping performance—example 7. The shot groups in Figure G-17 are improper groups. A sight change is made to bring the groups closer to target center. If the initial group is close to the paper's edge, the groups are still completed to provide the needed information for a sight change. A large sight change moves the groups close to target center of mass. Assuming that the last bullet in the third group is to the right of the target, a change of 10 clicks left and 10 clicks up is indicated.
Grouping performance—example 8. The groups shown in Figure G-18 indicate improper firing. Trigger jerk is indicated as a probable cause, but all fundamentals are checked.
Figure G-18. Improper shot groups that indicate trigger jerk (M16A1).
NOTE: Targets are changed after firing the first nine rounds. These targets are saved since all bullets fired are important for self-analysis, coaching, or future sight changes.
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