Hi here is some information on my M60B 357 cal got out today and shot the Snowpeak M60B I set the reg at 175bar the hammer spring 1-1/2 turns in from flush with receiver with 3600psi fill. 20 yards it shot just one hole than moved out at 60 yards shot 1-1/2 for 12 shots With FX 81gr 35 cal...