Anneal after prep/sizing? Not the typical question...

To anneal or not to anneal, that is the question...

  • Load them up you idiot, and quit wasting our time with stupid questions.

    Votes: 15 53.6%
  • Anneal them you idiot, and quit wasting our time with stupid questions.

    Votes: 13 46.4%

  • Total voters
    28

entoptics

Well-Known Member
Joined
Jan 16, 2018
Messages
717
I normally salt bath anneal (540° C, 10 seconds) every firing, after a depriming the dirty brass and giving them a quick wash, but before any other preparation. Helping a buddy get a load set up for his new rifle, but due to various work/life factors, I got discombobulated, and forgot the annealing step. These particular brass are now fully prepped, except for trimming to length. This is once fired hornady brass from another rifle, fired once more in my buddy's rifle. So it's 2X fired, heading into 3rd firing.

So...

Is it worth it to anneal now, after a 0.002 shoulder bump in FL RCBS die then re-expanding the neck with Sinclair mandrel die? Of course I'd give them a quick wash to remove salts, then trim to uniform OAL.

or...

Fagetaboutit...And just load them up and proceed?

Vote or comment.
 

baldhunter

Well-Known Member
Joined
Jun 18, 2008
Messages
995
Location
Texas
Here are a couple of things I've noticed about brass.I buy a lot of once-fired brass.The first couple of times I load it the brass is still soft and I have a low percentage of run out without annealing.I also noticed once I got a Frankford Arsenal Trim and Prep Center,around the fourth firing when I was deburring and chamfering,I noticed I was getting some chatter because the brass was getting harder.Once this occured,I also noticed I was getting a higher percentage of runout on my loaded ammo.This is telling me that seating a bullet in a case that is hardened may result in a higher runout.After about the fourth or fifth firing,you start getting more case failure issues.Some people anneal after every firing and really that makes a lot of sence after what I have observed.I personally don't,but I think it should be done by at least after the third firing.
 

VenatusDominus

Well-Known Member
Joined
Feb 27, 2021
Messages
63
Location
California
Depends on what you are going to be doing. If you need to squeeze out every fraction of an inch at 1000 yrds (bench rest or F-class competition) then I would anneal and resize, as annealing helps get consistent shoulder bump and neck tension in addition to brass life. If you are just shooting paper or steel to work up a load, then I would probably just load and shoot and anneal the next go around.
 
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Flatbow

Well-Known Member
Joined
Mar 3, 2015
Messages
297
Location
Rarhdrum ID
Also depends on the caliber of rifle.
Some work the brass WAY harder than others.
However, I would say with most you could get by with loading them up and anneal them next time.
 

coach p

Member
Joined
Nov 27, 2010
Messages
7
Location
Vallejo, CA
I saved my pennies and only use Lapua brass in my hunting rifles, (not a brass snob). I have tried other brass and found that the Lapua brass is more consistent than other brands in powder capacity and wall thickness. Anyway after my case prep is done I anneal the cases, however I anneal on the fourth firing.

That system works for me and I have not had any issues.
 
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