New Brass Prep

[Luked]

I have about 150 cases of New Winchester Brass for my 300 WSM that i have not loaded yet.
Buddy of mine gave it all to me and I am getting ready to startt working on loads for it.

With the new Brass what do you all normally do to prep?
My thought was just a quick run through the die to get the case mouth right and chamfer and a quick tumble to clean the case lube off.

 

[Mattyq17]

I have the same question, I just got 100 pieces of Peterson 6.5cm. It's not bulk cases (2 boxes, 50 cases in each) and none of the case mouths have dents or seem to be out of round. Can these be primed, dump powder and seat bullet, ready to go?

 

[pods8 (Rugged Stitching)]

My thought was just a quick run through the die to get the case mouth right and chamfer and a quick tumble to clean the case lube off.

That is generally what I do so the neck tension of the new brass as I work up a load will match subsequent reloads since it was set by the same dies.

 

[Harvey_NW]

I chamber check a handful to make sure they don't need bumped, run them over an expander ball dry, chamfer/deburr/nylon brush on a prep station, and load em up.

 

[JMCCRACKEN1214]

Size, chamfer and debur the neck and load em up

 

[Nine Banger]

I was able to load some new ADG brass without sizing or expanding but I was using boat tail ELD and TMK.

6.5 PRC

 

[jfk69]

I chamber check a handful to make sure they don't need bumped, run them over an expander ball dry, chamfer/deburr/nylon brush on a prep station, and load em up.

Exactly what I do with graphite/mica on the brush. The expander ball I run them over will be a carbide on my Redding dies just to reduce friction on that pass that could “maybe” stretch the neck shoulder junction. As I’ve gotten older, I tend to F around with brass prep much less. I’d rather load, go shoot, and take the time savings to yell at kids to get off my lawn…

 

[wapitibob]

I run a .288 decapping pin thru the necks to set them at my fired brass spec, neck size, then load with a reduced charge and pulled bullets.

 

[Qholum37]

I typically run an expanding mandrel through to make sure all the mouths are good then run them through a FL sizing die with the proper bushing to set neck tension then chamfer/deburr and load. Depending on length variations I’ll throw in a trim step to get them all the same. I have found even on Lapua brass there are some dented case mouths that need attention - ADG brass has been excellent for me though and usually involves very little prep

 

[SloppyJ]

I FL size, chamfer, and deburr. Be sure to check that they chamber in your rifle after sizing.

 

[Tnc]

I always anneal, FL size, chamfer and tumble new brass before loading

 

[sndmn11]

Headspace comparator a few, prime, powder, bullet, shoot.