Cooper Model 36 Help

D

doberman66

Guest
Would like to clean out the bolt internals and be ready to replace the firing pin. Anyone have any procedures and/or diagrams about how to take the bolt apart and access the internals?
 
If the Bolt is built along the same lines as the current 57M action then just unscrew the end cap and it will all come apart. Just curious why are you replacing the firing pin?
My guess is If You Need a new firing pin then you should talk to a gunsmith. They need to be custom fit to your bolt & then the trigger assembly adjusted to the new firing pin.
 
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No need for a new firing pin at this time. You're right about needing a gunsmith should a new one be necessary - way beyond my skill level - and I have one lined up. I just don't like not knowing how to take the bolt apart to inspect and clean the internals. Apparently the bolt in the 36 was, at times, problematic and was modified fundamently when they went to the 57 design.
 
No need for a new firing pin at this time. You're right about needing a gunsmith should a new one be necessary - way beyond my skill level - and I have one lined up. I just don't like not knowing how to take the bolt apart to inspect and clean the internals. Apparently the bolt in the 36 was, at times, problematic and was modified fundamently when they went to the 57 design.

No, not really, the 57's require few parts,less machine work, are much cheaper to make. Uncock it and carefully unscrew the cap head allen screw on the bottom of the cocking piece without stripping it. The 36's had niggly extrator issues that required 5min file work.
 
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