graet article thanks!
Im shooting a 6mm creedmoor 23" barrel with supressor. adjustable gas block turned down all the way(PRI gas blocks wont let you turn off all the gas).
Im shooting a 105 lapua scenar w 41.5 grains of 4350 @ 2980. I found a good node here so Id like to stay at this vel. I was thinking a faster powder would release the case faster from the chamber walls. does this make sense? I also use a heavy buffer. Twist is 7.7
Thanks again for filling me in on those finer points of the AR. I would have just chalked those marks up to the extractor and never gave timing or pressure a thought. I might just have to spend another year just reading before I feed my baby any homemade stuff :whistle:
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