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6.5 Creedmoor Brass Questions
#7158986
05/03/18 05:34 PM
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Joined: Oct 2010
Posts: 210
SenderoTaxi
OP
Woodsman
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OP
Woodsman
Joined: Oct 2010
Posts: 210 |
I have about 300 pieces of Hornady Creedmoor brass that I've using.
I'm pushing 42.8 grains of H4350 down a 22" barrel and getting an average 2700 fps velocity(147 ELD Match).
These are in an AR-10, not a bolt gun, They are close to max, but not quite there yet. Heavy ejector markings and flattened primers, but no blown primers.
After just two firings, many of them have loose primer pockets.
What other brands of 6.5 Brass is everyone using? Can i expect to get better brass life from another brand or am i just running things to hot?
Last edited by SenderoTaxi; 05/03/18 05:39 PM.
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Re: 6.5 Creedmoor Brass Questions
[Re: SenderoTaxi]
#7158994
05/03/18 05:39 PM
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Joined: Dec 2008
Posts: 41,173
J.G.
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Re: 6.5 Creedmoor Brass Questions
[Re: SenderoTaxi]
#7158998
05/03/18 05:41 PM
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Joined: Dec 2011
Posts: 3,568
garyrapp55
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Re: 6.5 Creedmoor Brass Questions
[Re: garyrapp55]
#7159042
05/03/18 06:27 PM
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Joined: Jun 2015
Posts: 5,922
Jgraider
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Not when you're running them over-pressure, like the OP is.
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Re: 6.5 Creedmoor Brass Questions
[Re: SenderoTaxi]
#7159063
05/03/18 06:42 PM
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Joined: Sep 2009
Posts: 18,954
ChadTRG42
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42.8 of 4350 with a 147 grain! There's certainly high pressure there. AR-10's are rough on brass, and in combination of a max or over max load, it will wear the primer pockets out very quickly. The weak link on Hornady brass is the primer pocket. It generally tells you when your brass is done.
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Re: 6.5 Creedmoor Brass Questions
[Re: SenderoTaxi]
#7159090
05/03/18 06:56 PM
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Joined: Sep 2009
Posts: 18,954
ChadTRG42
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Oh, and 2700 fps with a 147 is hailing the mail! That's certainly a stout load. I wouldn't run it that fast.
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Re: 6.5 Creedmoor Brass Questions
[Re: SenderoTaxi]
#7159109
05/03/18 07:14 PM
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Joined: Dec 2009
Posts: 1,586
ckat
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...22" barrel ...an average 2700 fps velocity(147 ELD Match).
Heavy ejector markings...
After just two firings, many of them have loose primer pockets...
^^^ x2
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Re: 6.5 Creedmoor Brass Questions
[Re: SenderoTaxi]
#7159663
05/04/18 03:58 AM
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Joined: Nov 2011
Posts: 3,638
DStroud
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Blowing primers is not max. That’s well beyond max.
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963
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