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264 WM vs 6.5-284 Norma

 
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Old 07-24-2009, 08:37 AM
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Join Date: May 2008
Location: South of Canada and North of Wyoming
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264 WM vs 6.5-284 Norma

I have been looking at the 6.5 cartridges and they look real interesting. I checked the Nosler site to compare velocities between the 264 WM and the 6.5-284. The max load of RL22 for each produces almos the exact same velocity with a differnce in charge of 6.5 gr (52.5 for the 6.5-284 vs 59 for the 264)

What gives? It looks like the 6.5 is A LOT more efficienct burning powder.

Any thoughts or experiences?

-MR
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Old 07-24-2009, 10:48 AM
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Join Date: Aug 2003
Location: NC, oceanfront
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Re: 264 WM vs 6.5-284 Norma

My only perspective with these is in basic cartridge design. I use way less powder than either to get what I need in my 6.5wssm.

The WM represents a huge case with 15gr more H20 capacity than the 6.5/284.
Larger capacity will always mandate more slower powder for the same velocity, but will have more velocity potential with the right powder & fill.
Don't be fooled by comparisons with same powders, as the optimum powder for both cartridges will be totally different.
Also, the good and bad of both should also be considered with more than one attribute(unless velocity is all that matters to you).

The 6.5/284 has given all neeeded in competition, but with a price of barrel life(always a price). Anyone could expect ~1200rnds accurate from it.
It's available brass, dies, reamers, etc, are excellent.

With the same shooting you will only get ~975rnds of barrel life from the WM.
Of course it's purely a hunting cartridge and that could be a lifetime of use.
I don't know about the brass quality other than it's belted and so I would have nothing to do with. Maybe someone will chime in & tell you how to make one worthwhile.
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