Green is copper on an AR. H322 isn't the problem. We run h322 by the 8 lb jug.
Green is copper on an AR. H322 isn't the problem. We run h322 by the 8 lb jug.
"What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v
Recleaned the rifle with a basic solvent (hoppes #9), re-oiled, blasted the gas tube with compressed air. Let the rifle sit muzzle down for a few days and revisited the range. No green copper deposits this time. Definitely was my cleaning technique and not the H322. Thanks for everyone's insight.
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