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Message: <blockquote data-quote="swampratt" data-source="post: 3734254" data-attributes="member: 15054">Just went and tested one of the suspect Remington 357 Mag cases.I sized it as normal and flared it and then placed a Hornady XTP .355" bullet by hand into the case mouth and it fell right in .Then took a .357" XTP and it also fell into the case  but just barely.With said .357 bullet in the case I turned the case upside down and the bullet fell out.I then annealed it and let it cool and wiped out the inside of the case and that .357" bullet still fell in and out.Yes that was a case that was sized and then annealed.I ran it through the sizer die again and then the flare die and the .355" bullet fell in and out like before.The .357" bullet needed some pressure by hand to get it into the case.I had to get pliers to pull it out of the case.I held that 357 case by hand in the flame of a propane torch to anneal .400" of the end of the case.Got hot and I let it drop in my aluminum pan.If you are having inconsistent seating pressures with your straight wall cases and they all measure the same wall thickness I would say annealing may work in a favorable way.If you have cases like my R-P 357 magnum cases that do not get small enough in the ID you may try annealing.When I began annealing I tested a lot of cases but all rifle and I always had more even seating pressures and seating pressures came up.Lapua cases not so much but winchester cases would take 18 psi to seat a bullet unannealed  and 45 PSI when they were annealed andit eliminated the odd fliers to some extent.There will sometimes be that rouge case that does not have the same seating pressures and it will open the group.Hope this little test helps you decide [USER=43126]@cdschoonie[/USER]</blockquote>

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