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When to throw away brass

 
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  #8  
Old 08-12-2012, 07:51 PM
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Re: When to throw away brass

You and me both. Live and learn if we're lucky.
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  #9  
Old 08-13-2012, 04:52 AM
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Re: When to throw away brass

I keep my Lapuas in batches of 20, and usually load all 20 at a time. When I find the first split neck, or primer dropping out of pocket, I throw all of them away. I recently lost a match when one shot dropped about 4" at 300 yards. Then I saw the split neck. They all went in ther trash.
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  #10  
Old 08-13-2012, 05:21 PM
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Re: When to throw away brass

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Originally Posted by MachV View Post
Some brass and loads seam to last forever and some dont!! I've got some hot loaded 223 & 243 brass that is past 10 reloadings......Ya its getting tired and only the LC and Winchester brass made it that far, the Federal cases fell out after a couple reloadings due to primer pockets letting go and the Remington cases split necks between 4-5-6 reloadings.
I just tossed all but 10 of my 338 Edge(neckt up 300RUM) brass after 3 reloadings=The primer pockets where toast! I could understand if it was Federal brass but I expect more from Remington!
that's odd on the lc making it farther than fed, after all it is fed brass.
I'm wearing out rifle throats before brass fails in my rums it seems. I shot a 7rum tired on 100 rounds of brass, re-necked it and I'm still using it in a 300 rum.
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  #11  
Old 08-14-2012, 06:38 AM
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Re: When to throw away brass

Ya I know LC is Federal brass but made to different specifications.
I've loaded the 338/300 RUM down to 338RUM specks and still the primers are not staying in them? No other signs of preasure = just loose primer pockets.
Going to start over with the new lot of brass at 88 grains of Retumbo and see how the primers last.......
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Old 08-14-2012, 06:59 AM
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Re: When to throw away brass

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Originally Posted by MachV View Post
I've loaded the 338/300 RUM down to 338RUM specks and still the primers are not staying in them? No other signs of preasure = just loose primer pockets.
Looking for visible signs of pressure is not a good thing to do. Some cartridge brass won't show any visible signs of high pressure even if it's proof loads.

Primer pockets being too loose to hold primers after a few reloads is a sure sign of too much pressure. If cases fired in a given barrel end up with loose primer pockets before they've been shot 20 times, I think they're loaded too hot for the load and barrel used.

'Course we all get to define our margin of safety depending on our desires.
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  #13  
Old 08-14-2012, 08:00 AM
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Re: When to throw away brass

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Originally Posted by Bart B View Post
Looking for visible signs of pressure is not a good thing to do. Some cartridge brass won't show any visible signs of high pressure even if it's proof loads.

Primer pockets being too loose to hold primers after a few reloads is a sure sign of too much pressure. If cases fired in a given barrel end up with loose primer pockets before they've been shot 20 times, I think they're loaded too hot for the load and barrel used.

'Course we all get to define our margin of safety depending on our desires.
I've heard many times that three firings minimum for tight pockets or the load is too hot. I agree with bart though that you should have a failure elsewhere than the pocket. A definate no-no getting loose pockets at all.
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  #14  
Old 08-14-2012, 09:44 AM
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Re: When to throw away brass

On my 300 rum, the only pressure signs I see are very slight ejector marks at 103g of retumbo. I backed it down to 102g and stuck with that. I am getting the best accuracy by far at this load with 3/8"-1/2" MOA @100 yds with 180g Nosler Partitions. The first 3 loadings the primer pockets were normal, but the 4th time they feel very loose. This is all on a factory LSS Remington 700 with a free floated barrel and trigger job. It looks like I need to back down more and try to get the lighter load to group.
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