Originally Posted by
jackblack73
Initially I thought you were short on gas, but now I think you could be outrunning the bolt catch. H2 will probably help, but you could just try the ST-T2 in it first.
Yep. Too much bolt speed is a possibility. I've had it happen in the past... decades ago before we knew about gas ports and buffer weights.
If the OP's gun feels snappy, an H2 could only be helpful.
"What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v
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