Air rifle tuning and fitting a mainspring
Just wondering exactly what is involved when an air rifle gets sent away for "tuning".Read a few threads where people describe their rifle as being tuned and just wanted to know what exactly they do to it.
Also , how easy is it to replace a mainspring ? Been thinking of getting an OX or Titan mainspring for my TX200 HC and would like to do the work myself if its not too difficult.
Last thing I want is parts shooting out all over the place !
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