Size new brass?

Marshnasty

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Hello CGN, I am having trouble reloading for my .308.

Brand new SSA .308 brass with 150 Barnes TSX, the neck of the case seems to crimp at the top edge and the brass isn't straight down to the shoulder, seems to have a ripple and my projectile is loose where I can spin it with my finger.
I believe it may be a brass issue and I have rcbs full length sizing dies, should I run these through a sizing die before I try anymore?
 
I always run new brass through the FL sizer, it won't touch the body or shoulder anyway as new brass is quite undersized. Just straightens the neck and gives you uniform tension, and you can expect accurate loads that way.
Nosler brass is the only stuff really ready to load out of the box.
 
I also run all my new brass through a full length die and then chamfer the case mouth.

Bottom line why leave anything to chance, in the very least full length resizing will straighten and align the case necks.
 
I always FL resize new brass. I measure a few cases (like 3-4 per 50) and if they need trimming, I trim the whole batch to trim-to-length.
 
I always F/L size, trim, debur flash holes, and chamfer and debur case mouths on new brass. I've had new Winchester and Remington brass come out of the bag with the case mouth half closed off. I've also had cases that are 10-15 thou longer and some that are 10 thou shorter than recommended case length. Unless it's Lapua brass that I just purchased...Lapua seems great right out of the box.
 
I always FL resize new brass. I measure a few cases (like 3-4 per 50) and if they need trimming, I trim the whole batch to trim-to-length.

Your almost as smart, good looking and modest as I am.:evil:

Below food for thought, the case mouth on the left tumbled too long in my wet SS tumbler and peened the case mouth. The case on the right is a brand new unfired case right form the factory. And a very good reason to full length resize, then trimming and deburring the case mouth.


CIxnlIW.jpg
 
My last batch of hornady brass came overlength & needed to be resized to have enough tension to hold the bullets securely. It also only lasted 5 light reloads before developing splits. I got some lapua & it was trimmed to minimum & was sized perfectly. Its also been anealed. Very happy with them.
 
My last batch of hornady brass came overlength & needed to be resized to have enough tension to hold the bullets securely. It also only lasted 5 light reloads before developing splits. I got some lapua & it was trimmed to minimum & was sized perfectly. Its also been anealed.Very happy with them.

All brass is annealed, most makers just polish after the process so it's not visible. Some like Lapua, PRVI leave it visible.
 
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