Right I have a gunpower stealth been told it's same basic workings as a condor?? Mine needs a bit of TLC I'm thinking of a new valve hammer and hammer spring possible breach as well then if I can find one a 18 inch barrel so my question is who is the trusted sellers for parts I've contacted PCP tunes they seam helpfull but have seen a few bad reviews of there valves and parts .any help would be very much appreciated.