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Old 2nd October 2016, 04:05 PM
Kcjohandby Kcjohandby is offline
Join Date: May 2016
Location: chesterfield
Posts: 35

Ayup mate it depends on the pellet to.tx barrels seem to vary in size alot im tuning one now n he sent me aa 8.44 in 4.52 which seem very tight in barrel so i put my jsb 8.44 in 4.53 n i git a difference of 30 fps without doin anything so check tht for the vmach kit cant say much bout them but took one out of one im tuning cause the seal went they dnt seem to be very gud seals but just my opinion
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