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View Poll Results: Favorite 6.5 Cartridge
264 Win Mag 70 11.74%
264 Rem Mag 4 0.67%
65. STW 4 0.67%
6.5-284 131 21.98%
6.5 WSM 25 4.19%
6.5 SAUM 20 3.36%
6.5 Rem 59 9.90%
6.5-47 Lapaua 50 8.39%
6.5-06 45 7.55%
Other 188 31.54%
Voters: 596. You may not vote on this poll

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Favorite 6.5 Cartridge

 
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  #127  
Old 01-23-2013, 07:33 PM
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Join Date: Nov 2007
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Re: Favorite 6.5 Cartridge

SuperPerformance is Ball powder and Retumbo is stick. Retumbo is made by ADI Australian Defense Industries and SuperPerformance is made in USA (St Marks of Florida) These two powders could not be more different. I suspect that SuperPerformance is the definition of temperature sensitive like the other St Marks powders (748 and 760 are the poster children) and Retumbo is less so.
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  #128  
Old 01-23-2013, 08:19 PM
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Join Date: May 2008
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Re: Favorite 6.5 Cartridge

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Originally Posted by 65WSM View Post
SuperPerformance is Ball powder and Retumbo is stick. Retumbo is made by ADI Australian Defense Industries and SuperPerformance is made in USA (St Marks of Florida) These two powders could not be more different. I suspect that SuperPerformance is the definition of temperature sensitive like the other St Marks powders (748 and 760 are the poster children) and Retumbo is less so.
I've got 8 lbs of SP on the way so I guess I'll be finding out. I wouldn't think that an ammo manufacturer would be using sensitive powder for commercial ammo, especially their high performance ammo. Interesting
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  #129  
Old 01-23-2013, 09:08 PM
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Join Date: Dec 2012
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Re: Favorite 6.5 Cartridge

6.5 creedmoor, can't believe it ain't on the list. Designed from the ground up as a short action cartridge that works well in ARs and bolt guns. Stock rifles shooting fairly well out of box out to 600-1000 yrds.

Berger VLDs traveling 2750-2850 fps seem to be the ticket.

Brass and barrel life are good with a mild kick and only 41-43 gr needed to achieve long range accuracy.
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  #130  
Old 01-23-2013, 10:01 PM
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Re: Favorite 6.5 Cartridge

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Originally Posted by limige View Post
6.5 creedmoor, can't believe it ain't on the list. Designed from the ground up as a short action cartridge that works well in ARs and bolt guns. Stock rifles shooting fairly well out of box out to 600-1000 yrds.

Berger VLDs traveling 2750-2850 fps seem to be the ticket.

Brass and barrel life are good with a mild kick and only 41-43 gr needed to achieve long range accuracy.
Yeah, what a knucklehead... I can't believe it isn't on the list either!
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  #131  
Old 01-24-2013, 09:44 AM
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Join Date: Feb 2010
Location: Gillette, WY
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Re: Favorite 6.5 Cartridge

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Originally Posted by MontanaRifleman View Post
Yup, you have been getting great results for sure with N-570. I have had some great results with RL17 in a couple of cartridges and when it works, it gives me 200 fps more velocity than next fastest powders which would be H4350 in the 300 WSM and Retumbo in the 25-06. I think that nitriding my barrel will reduce the pressure curve allowing me to use a faster burning powder like RL17. like I've mentioned in other posts, this is just a theory so we will see. If RL17, SP, or Retumbo don't deliver good velocities, I might try N5-70 but if your getting 100% capicity without a nitrided barrel, I suspect it may be too slow for a nitrded barrel.

Did you try 215's at all? Maybe I'll try 215's and 210's. I like the idea of using 215's in case of extreme cold temps.
...
I agree, RL-17 does amazing things in my Patriot, like 168 TTSX' at near 3400 amazing I need to verify that again but the initial test was jaw dropping. I haven't used a single primer except the 210 in my 6.5. LTLR recommended them (where did he go anyway?) So that's where I started.


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Awesome. Thanks!

That software is pretty cool. The first couple times I used it I got a little frustrated trying to convert to JPG but I got'er done. Glad I could help you guys out.


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  #132  
Old 01-24-2013, 03:32 PM
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Join Date: Nov 2012
Location: Copper Basin, Alaska
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Re: Favorite 6.5 Cartridge

I haven't seen any ad that Superformance is temp stable. However I did chronograph Hornady 129 gr SST Superformance ammo at 40 below and it was close to advertised velocity. So maybe it is temp stable.
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  #133  
Old 01-24-2013, 03:41 PM
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Join Date: Nov 2012
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Posts: 732
Re: Favorite 6.5 Cartridge

Quote:
Originally Posted by limige View Post
6.5 creedmoor, can't believe it ain't on the list. Designed from the ground up as a short action cartridge that works well in ARs and bolt guns. Stock rifles shooting fairly well out of box out to 600-1000 yrds.

Berger VLDs traveling 2750-2850 fps seem to be the ticket.

Brass and barrel life are good with a mild kick and only 41-43 gr needed to achieve long range accuracy.

I was pretty surprised also. I mean how many rifles are made in 6.5 Lapua? ?
Not knocking that round. But it doesn't seem to have a huge following. ,
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