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I am having a problem with pressure in my g2 contender in a .204 carbine. The primer is cratering and I am 2.5 grains under max load. Im using 28gr of aa 2520 with a 32g v-max in rem brass. I have backed off the lands twenty thousanths. All my brass is new and trimmed to 1.84. All other case measurements are matching up. Should I keep backing off powder or switch powders? Am I overlooking something or am I just being overcautious? Any info will be appreciated.
regards, Dane Braley
regards, Dane Braley