Rebuild a Diana 20 T?

rommelrommel

rommelrommel

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This gun is like 14 years old, been using it for pest control in an area where a firearm is just not practical. However, it's lost a fair bit of accuracy and I think power as well. It's had thousands and thousands of pellets through it.

What can I do to get this gun back to new/better than new condition? I don't want to pick up any velocity over original to keep its non-firearm status. Can I buy a spring and seal? Where? Anything else that should be done? I'm pretty lost on this subject and the busted ass search function here sucks.
 
Lubrification
Clean the barrel
Tight up the screws. I would start from there.
Then replace the seals, if they are made out of leather you can replace them yourself.
 
SIGP2101 said:
Lubrification
Clean the barrel
Tight up the screws. I would start from there.
Then replace the seals, if they are made out of leather you can replace them yourself.
Click to expand...

I've done the first 3, seal is rubber unfortunately. I really think it needs a spring and a seal, does anyone in NA sell that kind of stuff?
 
D+L out of Langly BC may have some seals and a utility spring that will work.Measure the spring OAL ,# of coils,inside dia and outside dia. They are $8 as I just rebuilt my childhood Hungarian .177 to good as new.James Macarri in the US may also have all you need.I just ordered a kit for my son's RWS34/.22.......................Harold
 
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