I don't know where he got that bit of nonsense but .454 cases are solid brass for a significant portion up from the extractor groove let alone the rim. The web starts quite deep into the chamber. That comment is just completely wrong. Even it it isn't counterbored it's still completely supported. You only need some basic knowledge of revolvers to know it can't even be otherwise. What a silly post... I only lose cases to mouth splits and my R92 which has a tapered chamber.


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