I'm sneaking up on the port size for him so he has a better chance at running supersonic rounds, last time we were out(first stab at the port diameter) it ran 75% lock back so I opened it .004". It should run now. I was running AA#9, he will be running W296 so it should work where it is, if not I'll open it again. I have mine running with 2 different gas lengths, both cylcle with authority.
Jon
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