Paddy
member
So I've got an issue with my recent 300winmag loads. I'm not getting enough neck tension to hold the bullets. I checked the expander ball and it slides freely so I don't think its too big. I'm using some FL hornady new dimension dies. I reluctantly tried to fix the problem with a crimp using the seating die, but can't seem to crimp em without crushing the case back.
So, is this a problem with too thin brass? Or is the brass need springing back and need annealed?
Or...?
Actually in measuring my bullets they appear a bit over size, maybe .309-.310 these are military pulls. I would thinkna bigger bullet would help increase neck tension though?
So, is this a problem with too thin brass? Or is the brass need springing back and need annealed?
Or...?
Actually in measuring my bullets they appear a bit over size, maybe .309-.310 these are military pulls. I would thinkna bigger bullet would help increase neck tension though?
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