What do you have that you can part with? This is the H&H 3&1/4" brass I'm looking for. Thank you.
Steve

Looking at the case dimensions for the 500/450 H&H, it appears that 500/416 brass will fireform into the H&H case perfectly. I have a bag of 25 new Nosler 500/416 brass I’ll part with if you want to give it a go.

The specs are:
Rim diameter 0.649”
Rim thickness 0.040”
Base diameter 0.567”
Case length 3.233”

Thanks!

RC