I have a set of rcbs 308 dies that have both FL and neck sizing dies. As long as your load isn't real hot its not gonna stretch the case much. So you could do either for sizing. Personally i FL everything. Always have probably always will. As the last post stated you'll need a load for each gun. They all like something different. Yes it may shoot it but if your gonna take the time to load your own why shoot something that doesn't shoot well.

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