Sierra Introduces New 6.5 Bullet

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Corjack
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Sierra Introduces New 6.5 Bullet

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There are no fleas on the 9.3s


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SPEEDY
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Re: Sierra Introduces New 6.5 Bullet

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If I ever find an LRS2 Swede barrel again when I have some spare coin, thems the bullets its throwing.
I'm soft and I don't care. :dance:

9.3x64
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Re: Sierra Introduces New 6.5 Bullet

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Gezz it's a slippery bugger isn't it.
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Hunt with a German Shorthaired Pointer.

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SPEEDY
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Re: Sierra Introduces New 6.5 Bullet

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Imagine a 200gn version, neck a 30/378wby down and you would have a 1000m PBR :lol:
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Re: Sierra Introduces New 6.5 Bullet

Post by Ado »

Hmm....with a 6.5x55 and Blaser Standard 1:8.5 twist for that calibre, I wonder how well it would stabilise? Sierra quote 1:7.5 to stabilise.

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Re: Sierra Introduces New 6.5 Bullet

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Ado wrote:Hmm....with a 6.5x55 and Blaser Standard 1:8.5 twist for that calibre, I wonder how well it would stabilise? Sierra quote 1:7.5 to stabilise.
Interesting question, as it would apply to all of the Blaser .264 caliber barrels. The only way to know for sure is to try it.

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Re: Sierra Introduces New 6.5 Bullet

Post by Corjack »

KZ45 wrote:
Ado wrote:Hmm....with a 6.5x55 and Blaser Standard 1:8.5 twist for that calibre, I wonder how well it would stabilise? Sierra quote 1:7.5 to stabilise.
Interesting question, as it would apply to all of the Blaser .264 caliber barrels. The only way to know for sure is to try it.

Not trying to be a downer, but I am thinking it is just not going to work in the Blaser 1-8.66 twist. Even the 1-8 twist of a 6.5x47 or the Creedmoor Blaser barrels may be marginal considering how short they are. I will be getting a sample to try in a 26 inch Creedmoor 1-8 sometime in November.
There are no fleas on the 9.3s


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Neil Dewhurst
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Re: Sierra Introduces New 6.5 Bullet

Post by Neil Dewhurst »

Ado wrote: Sun Oct 15, 2017 3:05 pm Hmm....with a 6.5x55 and Blaser Standard 1:8.5 twist for that calibre, I wonder how well it would stabilise? Sierra quote 1:7.5 to stabilise.
Sorry, but if you want to verify stability, you probably need to test under the pouring rain! Or snow (big wet flakes that stick...)

Any quality bullet will appear to be stable in clear dry air without obstacles. A properly stabilised bullet will show (only) marginal deviations according to perturbations encountered en-route (blade of grass, leaf or tree truck?). Over-stabilisation exists also, but that is a specific subject (nose-up attitude at extended range, etc.).

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