I have had the same case bulging problem with 158 grain, as well as some 147 grain with some brands of cases.
One workaround was to use a 38 super auto sizing die, they don't size the 9mm case quite as small, but neck tension was enough to hold the long bullet.
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NRA Lifetime Member Since 1999
"I ask, sir, what is the militia? It is the whole people except for a few public officials." George Mason
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