Hi i have a mk2 fac rated tx. I am confused with all the talk of different stroke volumes, springs etc. I want to know are parts such as the compression tube, piston assembly inter changeable between mks. Being the fac rated version has it a different volume to the std version. Thanks

While im here what seals are recommended. Is the aa seal ok or the hw 25mm seal has been recommended too.

Any other bits to replace while I'm here?
Brian

Thanks for the replies. This is what I'm after. Im in n ireland and we can't really do plinking and there's only 2 hft clubs so it will be for pest control on farm land. Just starting and didn't think i was getting the sweet smooth shot that i expected from the tx200. I took it apart actually becaus...

Hi all and thanks for any opinions offered ahead of time. I have to have a fac for my air rifle. The way it is. What you going to do? Anyway my spring has a bend in it and has quite a loud twang when fired. So i need to get a new one assumming they can't be straightened. My air rifle is a tx200 mk2 ...