30 Carbine Case Bulge Near Head

[M94/14]

Unless I'm mis-reading, this appears to advocate partial sizing. If so, that's not generally a great idea for self-loading arms. Should an over-large case stall while chambering, an out-of-battery "slamfire" may occur. Complete F-L sizing can help prevent this rare but serious consequence.

Yeah, now that I think of it, not the best advice to have given a new handloader. I can get away with that procedure because my sizing die is a bit on the small side. The O.P.'s die may not be.