Well 'soak' maybe a strong term. Looking at an old owner's manual for the before mentioned does not show/tell you how to disassemble the bolt. The complete bolt is on the parts list, which is probably not made anymore.
Looking into the bolt I can see the firing pin spring is very dirty with gun oil/grease and spend powder I want to get that cleaned out. Would spray saturation work then blow it out with compressed air be ok?
"Everything that man designs carries with in it the seeds of its own destruction."
"One thing history shows us is that Man does not learn anything from Our past. And maybe that is the biggest lesson we should learn from history."