Originally posted by ironhorse18
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You will have to size the neck down in order to hydroform so just avoid having to plug primer pockets and get water sprayed all over the place and size it down, load it and shoot it.
Hydroforming forms the body of the brass and some say it alleviates that first shot blowing out the brass. Others have said hydroforming doesn't completely blow the brass out so they have to shoot it anyway.
LR55
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