223 loads

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BsChoy

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I did have a sweet load for fed commercial brass in 223 using 26.2 grains varget and a 60 grain vmax but, it turns out the gurus were correct and upon the 3rd loading of this brass the primer pockets were soooo loose I could probably seat them with my fingers. I have copious amounts of LC brass I am going to sell of but I am going to grab about 200-300 for my self and work up a new load. Though LC is military (made by federal) will it hold up under say 6-10 firings minimum? Or should I just by new commercial brass? I have varget and RL15 on hand so I have room to play a bit. Any one have pet loads with this brass and 60 grain bullets with these powders. Oh, it is from a bolt gun and I usually seat to 2.29 oal so I got room to breathe.
 
I have some LC with 15 loadings. Caveat: I anneal my brass. The photo below should help clear up why Fed brass in 223 does not last.
 
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I anneal my "good stuff"after each firing. the other stuff about every 4th or 5th firing.
Annealing is a process to heat the area of the neck and shoulder to the correct temperature, which changes the molecular structure from work hardened to somewhere around 1/2 hard. Work hardening is caused by firing and sizing,and over time will cause neck cracks ie. failure.
Here is a link to some info about annealing. Bear in mind the website has a lot of info. I use the simple method of annealing in a darkend room and dropping into water to stop the annealing. I also use a Tempil Stik to verify correct temp.

http://www.gun-tests.com/performance/jun96cases.html
 
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