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#6890982 - 09/18/17 12:29 PM 6.5 Creedmoor Lapua Brass
Deerhunter61 Offline
THF Trophy Hunter

Registered: 08/27/08
Posts: 7185
Loc: DFW
Are any of you running Lupua? Have any of you ran Hornady and switched to Lapua? If so what has been the difference?

Thanks,

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#6891297 - 09/18/17 05:11 PM Re: 6.5 Creedmoor Lapua Brass [Re: Deerhunter61]
Cleric Offline
Veteran Tracker

Registered: 03/11/12
Posts: 2865
Biggest difference is smalle primer. Most creed rifle are set for large primer

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#6891322 - 09/18/17 05:35 PM Re: 6.5 Creedmoor Lapua Brass [Re: Cleric]
Deerhunter61 Offline
THF Trophy Hunter

Registered: 08/27/08
Posts: 7185
Loc: DFW
Originally Posted By: Cleric
Biggest difference is smalle primer. Most creed rifle are set for large primer


Thanks Cleric, this I know. I'm just wondering about pressure differences and MV differences if someone has switched brass.

I'm shooting H-4350 with 42.0 grains using Berger 140s with CCI primers running 2750 fps out of Hornady brass out of my Custom 6.5 CM w/27" barrel. I've ordered another lighter 6.5 CM for hunting with a 21 inch barrel and I'm going to be using Lapua brass, CCI 450 primers, A-Max 140s with H-4350 powder.

I have 500 A-Max so I'm going to shoot them first and then most likely will go with 143 ELDs.

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#6891517 - 09/18/17 08:18 PM Re: 6.5 Creedmoor Lapua Brass [Re: Deerhunter61]
cblackall Offline
Woodsman

Registered: 05/12/16
Posts: 188
Loc: Lewisville, TX
My dad switched from Hornady to Lapua in his 6.5 CM. You'll hit pressure a little earlier in the Lapua brass as it's thicker (less volume) than the Hornady. His standard load in Hornady brass was showing ejector marks, swipes and sticky bolt lift with Lapua. Backed it off a few tenths, and all is well. I had heard somewhere that the small primer brass, ie: 6.5x47, had a tendency to hide signs of pressure. This was not the case for us. We both had the same load with Hornady brass, and I had pushed mine a fair bit past that without trouble in the Hornady brass. YMMV. Your load of 42 gr shouldn't be an issue though, depending on how your lot of powder runs.


Edited by cblackall (09/18/17 08:20 PM)

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#6891643 - 09/18/17 10:02 PM Re: 6.5 Creedmoor Lapua Brass [Re: Deerhunter61]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 21766
Loc: Wolfe City, TX
Hornady brass, 42.4 gr H-4350, 140 gr ELD-M = 2800 fps MV, es of 13. Brass is about to have 7 loadings on it, having been annealed every two firings.

It ain't broke, so I've not tried to fix it.
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#6891652 - 09/18/17 10:10 PM Re: 6.5 Creedmoor Lapua Brass [Re: Deerhunter61]
DStroud Offline
Pro Tracker

Registered: 11/02/11
Posts: 1584
Loc: Waco
While my data is not for 6.5 Creedmoor ammo I took Lapua 6.5 brass down to 22 Creedmoor and just to be safe lowered my charge. Ended up working back to my normal charge with almost exact velocity as I had with Hornady 6mm brass that I previously used. FWIW

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