@john4321 I agree with @Vetmx and his question. My question is, where is your gun set now that is causing the frustration? My MKII compact .177 is shooting @ 104bar PW 16 (updated PW) , MW @ 18.55mm and VA @ 7.65mm= 2 bar Shooting 10.03 KO @ 950 Very well. We can solve your dilemma, no problem.