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Max Online: 16728 @ 03/25/12 08:51 AM
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#7158986 - 05/03/18 12:34 PM 6.5 Creedmoor Brass Questions
SenderoTaxi Offline
Woodsman

Registered: 10/06/10
Posts: 209
Loc: Round Rock
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?


Edited by SenderoTaxi (05/03/18 12:39 PM)
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#7158994 - 05/03/18 12:39 PM Re: 6.5 Creedmoor Brass Questions [Re: SenderoTaxi]
FiremanJG Offline
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Registered: 12/16/08
Posts: 26082
Loc: Wolfe City, TX
Too hot.
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#7158998 - 05/03/18 12:41 PM Re: 6.5 Creedmoor Brass Questions [Re: SenderoTaxi]
garyrapp55 Online   content
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Registered: 12/26/11
Posts: 967
Loc: Ft. Worth

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#7159042 - 05/03/18 01:27 PM Re: 6.5 Creedmoor Brass Questions [Re: garyrapp55]
Jgraider Offline
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Registered: 06/13/15
Posts: 1139
Loc: West Texas
Originally Posted By: garyrapp55


Not when you're running them over-pressure, like the OP is.

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#7159063 - 05/03/18 01:42 PM Re: 6.5 Creedmoor Brass Questions [Re: SenderoTaxi]
ChadTRG42 Offline
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Registered: 09/16/09
Posts: 13551
Loc: Lewisville, TX
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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#7159090 - 05/03/18 01:56 PM Re: 6.5 Creedmoor Brass Questions [Re: SenderoTaxi]
ChadTRG42 Offline
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Registered: 09/16/09
Posts: 13551
Loc: Lewisville, TX
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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#7159109 - 05/03/18 02:14 PM Re: 6.5 Creedmoor Brass Questions [Re: SenderoTaxi]
ckat Online   content
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Registered: 12/02/09
Posts: 1366
Loc: Lubbock Area
Originally Posted By: SenderoTaxi
...22" barrel ...an average 2700 fps velocity(147 ELD Match).

Heavy ejector markings...

After just two firings, many of them have loose primer pockets...


Originally Posted By: FiremanJG
Too hot.


^^^ x2

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#7159663 - 05/03/18 10:58 PM Re: 6.5 Creedmoor Brass Questions [Re: SenderoTaxi]
DStroud Online   content
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Registered: 11/02/11
Posts: 1825
Loc: In the Right lane
Blowing primers is not max. Thatís well beyond max.
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