Ruger Mark I / II parts compatibility

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WardenWolf

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Long story short, my father's Ruger Mark I needs a complete overhaul. The hammer spring's shot, the recoil spring assembly's legs are bent, and it could probably do for a new firing pin as well. This pistol has been a problem child ever since he bought it in the 1970s, primarily due to jamming. I've finally fixed the jamming problem (something he never managed to do in the 30+ years he owned the pistol), but now it needs new springs. So here's the question:

Is the Ruger Mark II firing pin spring assembly compatible with the Mark I? I'd rather just replace the whole assembly than deal with tiny ball bearings and spring-loaded parts. I can also get one in stainless steel which will match the gun's finish better than the blued one currently installed.

I've seen that the recoil spring assembly is the same between all three models, but if someone could confirm that as well, that would also be a big help.

With any luck, I'll finally be able to turn this troublesome little bastard into a reliable pistol.
 
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