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New 6.5 build

 
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  #8  
Old 10-25-2013, 07:39 PM
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Re: New 6.5 build

I've had my 260 Ackley over 3000 fps in a 26" criterion barrel. The sweet spot is right at 2940 though which is still right in the middle of 6.5-284 territory while using less powder.I vote the short action and the ackley.
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  #9  
Old 10-25-2013, 07:58 PM
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Re: New 6.5 build

Quote:
Originally Posted by stomp442 View Post
I've had my 260 Ackley over 3000 fps in a 26" criterion barrel. The sweet spot is right at 2940 though which is still right in the middle of 6.5-284 territory while using less powder.I vote the short action and the ackley.
I'll add that you can get lapua brass in 260 also.
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  #10  
Old 10-25-2013, 10:54 PM
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Re: New 6.5 build

Very torn here I will have to go through the ballistics very carefully before I decide, I f i go with the short action I will save a little more weight and can go to a heavier barrel ,and still be at the 6-6.5 lbs.
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  #11  
Old 10-25-2013, 11:31 PM
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Re: New 6.5 build

Just a thought to save a little cash. A tikka t3 in 6.5x55 and have a a smith run a 6.5-06 reamer in it with a little set back on the threads. All you may need is a 30-06 length mag( not even sure if you need that) and possibly have him modify the bolt stop. They already come with an 8 twist barrel and great triggers. If you're in Alberta already accurate action does great work. That will be about a 6lb gun.
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  #12  
Old 10-26-2013, 06:41 AM
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Re: New 6.5 build

Quote:
Originally Posted by stomp442 View Post
I've had my 260 Ackley over 3000 fps in a 26" criterion barrel. The sweet spot is right at 2940 though which is still right in the middle of 6.5-284 territory while using less powder.I vote the short action and the ackley.
How much less powder? Plus, the OP is wanting a light rifle which I'm guessing would rule out a 26" barrel. What bullet/weight was used to get 3000?

I think the 260AI is a fine cartridge but I think the 6.5-284 brings a little more to the table with a negligible powder difference.
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  #13  
Old 10-27-2013, 12:23 AM
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Re: New 6.5 build

I'm a big fan of all the 6.5's. You're really talking very little difference in velocity between the .260, the AI, and the 6.5x284.

With the applications you have in mind I'd honestly say look at the .264wm, 6.5x300wm, or even the 6.5 STW.

Burning up barrels isn't rally the consideration it used to be. Start out with a quality stainless bbl, break it in well, clean the heck out of it and have it melonited and go from there.
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  #14  
Old 10-27-2013, 06:23 AM
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Re: New 6.5 build

While either cartridge will do for 700 yard work, I would lean towards the 6.5x284. While you might be able to approach equivalent velocities, in my experience, the 6,5x284 case design seems to hold up much better than the 260 (I use mostly Lapua in both cartridges but applies to other brands). Loose primer pockets and thinning of the case head area can plague the 260 after very few loadings when subjected to the top end of it's pressure range. This will be necessary to approach 6.5x284 performance, particularly if you want to take advantage of the 140gr bullet ballistics. I agree that you should go with a long action in the 260AI for versatility with bullet styles, and would recommend a 1:8 twist in either cartridge. IMO.
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