I am looking to neck some of my 6x47 Lapua back up to 6.5x47. Is there a good way to do this? I have necked down, but never up. Any help is appreciated.
Necking up brass
- Thread starter cattleman99
- Start date
Buy a mandrel die and the appropriate mandrel. Brownells/Sinclair sells them reasonably. There are others as well. Lube up your necks and mandrel, and go to town.
I've made some "expander balls" for FL sizing dies that were a polished tapered pin for "necking up." You should probably anneal the necks afterward and beware the donut at the neck/shoulder junction. You might have to turn the necks afterward to eliminate the donut.
Buy the “turning” mandrel. They’re .001 smaller than the “expander” and you can just load them after you neck them up.
You might find that annealing the cases prior to expanding the necks might get you crushed cases or inside out necks. Your mileage may vary of course but most I've seen have expanded then annealed. Its a shame to waste cases.
frank
frank
