Gunsmithing Ruger 77 firing pin spring swap

[stillbuster]

I have looked and have not been able to find any information on the disassembly of a Ruger 77 firing pin. I am trying to do a firing pin spring swap due to light primer strikes.
Can anyone point me in the right direction?

 

[spr1]

Re: Ruger 77 firing pin spring swap

Frank De Haas book??
Does Sinclair sell a tool?
Or send it to the factory.