I am in the process of finding a good combo pellet/slug and velocity for my AEA Challenger Bullpup .25. Today, while shooting a few 5-shots
groups I got these:
View attachment 571956
View attachment 571954
First group shot, 1" ctc, second group 3/8" ctc, third group 3/4". Same distance (32 yds.), same overall conditions. What can explain such a big difference between groups 1 and 2? Can something be concluded about the gun accuracy? This pattern of good/regular/poor groups repeat itself time and time again. Frustrating...

groups I got these:
View attachment 571956
View attachment 571954
First group shot, 1" ctc, second group 3/8" ctc, third group 3/4". Same distance (32 yds.), same overall conditions. What can explain such a big difference between groups 1 and 2? Can something be concluded about the gun accuracy? This pattern of good/regular/poor groups repeat itself time and time again. Frustrating...

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