I probably have the correct Berdan primers for those.
If you come up with a good way to deprime - hydraulically is the best for thin rimmed cases like the 450. The RCBS berdan decapper knarfs up the rims too easily.
I found another box of over 100 pieces so I'm good for now. Thanks for the help offered here.
The newer brass doesn't fully chamber in my vintage Purdey single but I'm going to try the trick of running it through a .510 sizer to get that last bit just above the rim to chamber. Others here have said that worked well for them.
Good to hear!
Ive run into some chambers like that - had to run them into the FLS die without a shellholder and tap them out with a brass rod.
That little bit just ahead of the rim is hard to get sometimes.
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