Win Cooey 600 Bolt Problems

[Nonus]

My dad has a Winchester Cooey 600 (bolt action .22) and the thing is a nice rifle. However sometimes I get weak primer strikes, there will be a small dent in the cartridge but not nearly enough to set it off. I thought it might be gunk in the bolt so I let it soak in varsol overnight but no success.

I would like to use this thing for hunting as my 10/22T is kinda heavy but it isn't too reliable in the firing department.

Could the firing pin be compacted due to dry firing?

 

[BCRider]

that's a definite thought. Also just because you soak it in Varsol overnight does not mean that it'll move the grunge out from the firing pin mechanism. I suggest a full strip down and clean. At the same time you can try the firing pin without the spring to check for any signs of binding. If it is binding a bit of stoning on a fine india stone would soon fix the issue.

 

[Winnipeg Toymaker]

Soak it and then use either air pressure or brake cleaner to blow the residue out of the bolt. The bolt face may be peaned over also from who knows how many firings.

 

[Nonus]

I would disassemble the bolt but they are not known for easily disassembly.

I will try soaking it again, last time I just ran like half a can of wd 40 through it and then worked it until it was almost dry. I will try the brake cleaner this time.

From looking at the firing pin it looks fine but I have nothing else to compare it too.