Originally Posted by
Willenium
Yes it's advisable to test while doing any work. A small change can make quite a difference to power level. With a springer (and especially a budget/BSA one) you'll probably not want it running too near the limit, as they often feel noticeably less pleasant to shoot.
Plus power can go up as they bed in
Custom BSA S10 .22 PAX Phoenix Mk 2 .22 Custom Titan Manitou .22 (JB BP) HW77 .22 FWB Sport Mk1 .22 Sharp Ace .22 Crossman 600 .22 Berretta 92 .20 Desert Eagle .177