Ok my brother has got a tacone the strange thing is that this tac one has a retro-valve. Now it has an air leak down the barrel and when that happens to my tacone (it has an x-valve) i know i need to add a shim. Is it the same with the retro?
Also: why does it have a retro, did they used to come with a retro-valve?
P.S. Where can I find a cheap/free shim? Will automag send it to me free ?
Also: why does it have a retro, did they used to come with a retro-valve?
P.S. Where can I find a cheap/free shim? Will automag send it to me free ?

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