What size is the valve port from the factory? I’m thinking that’s my issue.Here’s some of the stuff I did to mine. I did some internal valve work but it’s probably not needed to get to 18ish fpe for 24 shots.
I would start by matching all your ports from the valve output to the barrel. The barrel is already .125 so I’d suggest just drill your valve output hole and TP to match that. Just doing that would probably help a lot.
I’m also running a lightweight hammer and No gauge. I’m new to all this myself. Feel free to ask any questions or pm. I’ll share what I’ve learned so far. I should know more once it’s warm and I get more trigger time.
Good luck
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