All things being equal, grouping depends on skill.
7.62X39mm
you pull the trigger
@ 10000 feet
7.62x39mm
Accurately? 400 meters
100.000-500.000
Effective range 400 meters
600 Rounds per minute.
11
About 600 rounds per minute.
There are 47 red beads. Since each group is a set of 3 beads (1 red and 2 other color), there will be 47 groups (since 141-47-47-47=0). Therefore, 47 of them are red and the other two groups of 47 are other colors.
2500+ fps and it could shoot as long as you want in eyes view.