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6.5-06 or 6.5 - 284

 
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  #8  
Old 12-27-2006, 09:56 PM
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Re: 6.5-06 or 6.5 - 284


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[ QUOTE ]
However, the 6.5-06 is not the barrel burner that the 6.5-284 is. Most competitive 6.5-284s last 700-no more than 1000 rds and still competetive

[/ QUOTE ]


Curious as to why you would say this? The 6.5-06 uses more powder than the 6.5-.284. My 284 lasted for about 1100 rounds before I had to do something about it. And a friend of mine's 6.5-06 was done at about 1000 rounds.
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  #9  
Old 12-27-2006, 09:58 PM
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Re: 6.5-06 or 6.5 - 284

Sierra did make a 155 grain MK for the 6.5mm but discontinued it last year or the year before because it was a dog and they didn't sell many. It required an 8" twist if memory serves but it actually had a lower bc than the 142!!
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Old 12-27-2006, 11:00 PM
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Re: 6.5-06 or 6.5 - 284

Thats right GG the 155gr 6.5mm SMK was a dog and had a very low BC compaired to the lighter bullets

Both the 6.5-06 and 6.5-284 can have accurate barrel lfe past 1000 rounds if the barrel is cared for properly. the 06 does have wee bit more case capacity than the 284 which would offer a wee bit more velocity. My vote goes to the 6.5-06 Ackley improved , you'll get better velocity with the heavier pill you mentioned which I assume will be from Wildcat bullets or some other custom maker , and it will probably feed better even with the steep shoulder. Unless you want to step up to the mag cases this is about the best your gonna get unless you want a Gibbs case which will put you into magnum velocity range with less powder.

I ve got a 27" 1-8 twist Lilja 3 groove thats chambered in 260 , I plan to shoot the 140 A-max , 140 Berger and 141gr Cauterucio bullets to see what will give the best accuracy. Any of these pills out of this little case will get you into the competive ranks without excessive recoil , barrel wear and a great supply of good reloading componets , its easy to make fit in a short action and is inherantly accurate like its big brother the 308. If things don't work out like I want I'll ream it to 6.5-284 and if that don't work I'll ream it to 6.5 WSM !!! From all the reports I've seen and heard the 140 class match bullets don't like being pushed to much past 3000fps then accuracy suffers.

Another great round would be the 6 XC or the 243 Ai chambered in a barrel with a 1-7 twist to shoot the 115gr bullets.
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  #11  
Old 12-28-2006, 06:22 AM
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Re: 6.5-06 or 6.5 - 284

uncleb, sierra discontinued the 155 smk some time ago, an article written by daryl cassel in "The Varmint Hunter Magazine"/Jan 1996, States how daryl placed top 4 in 4 sporter class 1k matches shooting a 6.5 Gibbs 1/8 and 155 gr smk's.
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  #12  
Old 12-28-2006, 07:48 AM
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Re: 6.5-06 or 6.5 - 284

6mm..

I'm building a 6.5X300 Mag right now.. Talked to Richard @ Wildcat.. He said 1-8 will get you up to 150 Max. 1-7.5 will shoot the heavies he said..

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  #13  
Old 01-01-2007, 03:15 PM
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Re: 6.5-06 or 6.5 - 284

Trust in Dan,

http://www.riflebarrels.com/products...wist_rates.htm
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