do i need to put a secondary reg on my gun if i get a retro valve i have a preset tank?
oh and should i wait to get the level 10 untili get my retro or can i just take it back out of my standardand put it in a retro
oh and should i wait to get the level 10 untili get my retro or can i just take it back out of my standardand put it in a retro


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