Author Topic: Brass question  (Read 424 times)

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Offline Doc Contender

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Brass question
« on: January 06, 2004, 03:54:59 AM »
When using near max loads, and  knowing not to use brass that is cracked or some other problem found. How many times will you reload a brass case until you discard it?

Offline savageT

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Re: Brass question
« Reply #1 on: January 06, 2004, 04:33:58 AM »
Quote from: Doc Contender
When using near max loads, and  knowing not to use brass that is cracked or some other problem found. How many times will you reload a brass case until you discard it?


Doc,
It's best to clean your brass well and thoroughly inspect after every firing.
If maximum loads are routinely used, case life will be shorter.....a good safety limit should be about five firings (don't forget to include the original factory load when counting).
Even on cases without a belt, reloading life may be notably shorter than suggested due to lengthy firearm headspace.  When a cartridge is repeatedly shortened in a sizing die and fire formed lengthened in the chamber, it will quickly lose its ability to withstand additional firings.
(Lymans 47th ed.)

**I rountinely use a small dental probe or simple paperclip sharpened at the tip to internally probe every case for head separation.  Thinning of the body can be detected just above the head with the probe.  Look for the slightly lighter coloration of a ring-like area partially or fully encircling the case at the webb/body junction that preceded the tell tale bright ring or actual failure from incipient head separation.  Once more, it's best to reread your reloading manual and go over what you should look for when inspecting cases.

Jim
savageT........Have you hugged a '99 lately?

Of all the things I've lost in my life, I miss my mind the most.

Offline Glanceblamm

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Brass question
« Reply #2 on: January 06, 2004, 06:08:21 AM »
I think that Savage is right-on with the paper clip trick. If everything checks out ok, most sorces say to discard the case after the Fourth Trimming.

Offline Dand

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May depend on chamber quality
« Reply #3 on: January 06, 2004, 01:06:46 PM »
In my pre64 '06 near max loads in Rem brass should last about 5-6 loads as the chamber isn't real concentric.  In my H-S precision 300 win with a match quality chamber I have gotten well over 10 (15?) heavy loads per case in Rem brass that's partially full length sized and trimmed now and then as needed.  In fact I usually lose track of how many loadings in the 300 - I'm trying to do better now. I can say I tossed one box of 20 recently that I had used steadily since 1995 - just because they were getting old - but no spilt case mouths, loose primers or stretched heads - I cut several to check.  My loads frequently show the round extractor mark after firing too so they are pushing the upper limits.  

Just keep a close eye on your brass before each loading and record the number of loadings - do as I say not as I do?? Like Savage says, cleaning the cases well helps spot problems.
NRA Life

liberal Justice Hugo Black said, and I quote: "There are 'absolutes' in our Bill of Rights, and they were put there on purpose by men who knew what words meant and meant their prohibitions to be 'absolutes.'" End quote. From a recent article by Wayne LaPierre NRA