Leading at muzzle with hitek coating?
I'm running Missouri Bullet Company 155gr coated lswc through my M&P40 2.0 Compact - 4" barrel. I ran them up to 1250fps and started getting leading in the last inch of barrel - completely clean before that. It looks like a classic lube failure. Anyone else have experience with hitek (hytek, hi tek, etc.) Coating?
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