Not sure where this belongs...
I'm having an issue with heavy "copper-like" fouling on nitrided bolts in a 9" 300AAC build:
Picture is of a relatively new Tollcraft nitrided bolt. Contacted Toolcraft and they replaced it without an issue. Dropped in he replacement and withing 60rds the same...
Does brass jacket FMJ ammo like brass max or fiocchi ammo cause more barrel wear than standard copper jacketed bullets? Just wondering? If so how significant would it be?
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