gravel 63 Posted May 27, 2013 Report Share Posted May 27, 2013 Bit of advice please a freind wanted his rifle chrono so i went round, the pellets he was using were bisley magnum heavy 21.4 grains , few shots through the chrono the calculations were the highest readings were 17.5 fps the lowest 16,25 fps , when doing the calculations with rws superdomes 14.5 grains the highest reading were 11.5 fps and the lowest readings were 11.2 fps, the point im making is that my rifles i have are all under 12 fps and im sure that if i used the bisley magnums the power would be alamingly higher, does he need to tune the gun down and if so, is it an easy job to do? Quote Link to post
gravel 63 Posted May 27, 2013 Author Report Share Posted May 27, 2013 Anybody there? Quote Link to post
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