Annealing and resizing brass 8mm brass help.

[jeeptim]

Hey fellas here's the story got a mauser with 300+rounds with bad burdan primers. Bullets are good powders good but gots no 8mm cases.
Not new to reloading but have not reformed brass looks straight forward but I hear about wrinkles in the case neck and well I'm not ok with that I do this to make quality ammo.
I understand annealing softens the brass will this help or hurt? I plan on using mostly 30/06, 270, 280, rem. Is quenching in cold water the way to go or dose it matter?
If annealing is the way to go, I have watched some videos using the drill method.
Like always thank you all for thr good info I know you'll share.

 

[rcmodel]

I doubt there would be any need to anneal 30-06 brass for forming into 8mm.

Case lube and a 8mm sizing die should do it.

Then a case trimmer.

About all the annealing I have done over the years was making 25-06 brass out of 30-06 brass in one pass. Or 22-250 out of something I forget which?

For that, I stood the cases in a shallow pan of water, heated the case mouths and shoulders dull red in dim light with a propane torch, and tipped them over in the water.

They came out softer then butter, too soft in fact.
I got a lot of folded in shoulders because they were too soft to support necking down the necks.

If I were you, I would inside neck lube, lube the cases normally, and run them through the 8mm die before I tried anything else drastic.

rc

 

[jmorris]

I am with RC, try it first without annealing. If you want consistant results you use a machine and any "glow" of the case is over done. Using propane you don't even want the flame to change color and that happens before any shade of red occurs.

 

[jeeptim]

Thank you both I do tend to over think things.

 

[Swampman]

Remember to mike a few of the case necks after you seat a bullet, if they're significantly larger than factory loads they could cause unsafe pressures.

 

[TenDriver]

I have formed plenty of 8mm from HXP and a couple from FC 270 brass. The FC only lasted one firing but I have 3+ on some of the HXP (didn't anneal it).

Expand the case mouth, trim, chamfer / deburr, then size the brass, trim again, chamfer / deburr. Load em up. If you're using a Lee die, you're likely to have a mark on the neck just above the shoulder from the vent hole. You might be able to polish that out, or find a more appropriate die. I'd send you a few cases but I just sent some out and am running short myself.

I can't say enough good things about those HXP cases. If you need some, you can probably find some for sale on this board, or maybe hop over to the CMP forum and put the word out there. I'm sure someone has a few extra.

 

[FROGO207]

Yeah the HXP cases are extremly tough. I have 20+ reloadings on some 30-06 when lightly annealing necks every 5 reloads. Primer pockets are holding out well so far using light/accuracy reloads in a H&R single shot with 220 grain bullets.