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shrinking brass

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27 May 2007, 04:18
varmintshooter
shrinking brass
I just bought a sps varmint in a 223 and I bought 80 rounds of 45gr facter bullets and 100 new brass and 40gr nosler bullets to work up loads for it.I went out and shot them all and the facter bullet cases streched just like there were supoesed to and the test loads cases shrunk 10 thow and the cases ternd black from powder what the hell
27 May 2007, 05:29
Ol` Joe
Did you measure the cases before or after resizeing?

The cases will shorten from fireing as they expand to fill the chamber. Resizing causes them to lenghten as the displaced brass moves forware in the die.


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27 May 2007, 05:55
243winxb
quote:
Originally posted by varmintshooter:
I just bought a sps varmint in a 223 and I bought 80 rounds of 45gr facter bullets and 100 new brass and 40gr nosler bullets to work up loads for it.I went out and shot them all and the facter bullet cases streched just like there were supoesed to and the test loads cases shrunk 10 thow and the cases ternd black from powder what the hell
If your reloads did not expand the brass and they are blackened, your handload may be on the very light side. Check your reloading manual to see if your loading the correct powder charge and type of powder. Also make sure your bullets you are loading measure .224" diameter, NOT .223"