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Had a bit of problem ZAN  33gr slugs were shooting awful, just wouldn’t  group to what I expect from them . Any how put the impact over the chronograph, only running at 890-900 fps , normally 970 fps . So did a retune  with this achieving 990 fps so tuned it down to 972 fps .  Well better than before, absolutely spot on 50-100 yards . So went out to 110 & 115 yards , couldn’t believe groups 5 shots at both distances and within 15 mm may be less 13 mm on both 

first pic 110 yard second pic 115 yards 

 

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Definitely DB found out the problem tonight . The front adjuster had come lose so locktite  it on now running at 972 -975 on power wheel 4 and 3.5 lines . 135 bar  . Had it running at 1000 fps with ZAN 33 gr earlier and not even maxed out 

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