Just wonder if anyone has built a bump die for up sizing a .308 FMJ to .312?
I've seen one somewhere where someone was bumping bullets up and sizing them to a true diameter.
They did in a vise. Slow process but if you only need a few.
I have a lot of 180 gr 308 FMJ. And I would do this for a hundred or so. Perhaps the manufactures would get back to making them again.
Problem around here is getting 303 Brit bullets. Like Hens teeth up and when you do find some, they want $62 bucks a hundred for them.
I have a handmade .312 sizing die for putting gas checks on .312 cast boolets. So, when I'm done bumping, I can resize to .312
I think a two piece die that comes apart like a mold, with line up pins. 2 pieces so you can get the swaged bullet out.
Ideas?