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Old 9th October 2013, 11:40 AM
211anthony 211anthony is offline
Join Date: Oct 2013
Location: Cardiff
Posts: 42
Default Fpe increase from 4inchs of barrel on a theoben rapid

What increase of fps or fpe could I expect from 16 to 20inchs on my theoben rapid and when replaced and detuned back to under 12fpe what shot count increase would I expect?
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