On two barrels, now (Berger 108s with H4350 and Bartlein 5R in one, Berger 109s with Varget and Krieger 4gr in the second), my throat erosion runs about .006"/100 rounds. Running it between 2800-2840, so not standing on it. What I've noticed, too, is that once I'm jumping .050-.060, I don't...