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.260 rem vs. 6.5 creedmor vs. 6.5-284 norma

 
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Old 10-22-2011, 11:57 AM
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.260 rem vs. 6.5 creedmor vs. 6.5-284 norma

Can someone discuss the ballistic differences between these three cartridges for me? I'm having a hard time finding any charts to compare the three. Focus mainly on 140 or 130gr VLD bullets. Looking at a custom build in one of these three cals and can't decide what to go with. Thanks.

Last edited by 95huskers; 10-22-2011 at 01:40 PM.
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Old 10-22-2011, 01:18 PM
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Re: .260 rem vs. 6.5 creedmor vs. 6.5-284 norma

95, I can give you the case capacities of these three,plus the 6.5 x 47 measured in grains of water with the cases filled to the base of the neck.

6.5x284 = 62 grs. water. ----------- 140s @ 3000 to 3100 fps

260 Rem. = 50 grs water ----------- 140s @ 2850 to 2900 fps

6.5 Creedmore = 47 grs water ---- 140s @ 2825 to 2875 fps

6.5 X 47 Lapua = 44 grs water ---- 140s @ around 2800+ fps

The capacity and feet per second are variable depending on bbl length, how each are throated, ( to fit in mag. box or loaded long for a single shot) and how hot they are loaded. So these FPSs are just ballpark numbers. The 130s give you another 100 fps or so.

The Creedmore brass is of questionable quality while the other three are available from Lapua or can be made from Lapua brass. ( 260 rem.) This ( Lapua brass ) is always a good thing !!

The 284 is best with a long action and the 260 is best with a long throat and extended mag box to get the most out of them. ------- RHB
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Old 10-22-2011, 02:07 PM
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Re: .260 rem vs. 6.5 creedmor vs. 6.5-284 norma

I would go with the 260 rem. Best ballance of barrel life and velocity. Lapua makes brass for it now too. It's a good choice if you roll your own. If you are looking for good factory match ammo the Creedmoor is a good choice (although there is a lot of good stuff for the 260 also like Cor Bon etc.)

If you don't mind smoking a barrel or two the 6.5x284 is awesome. Great consistent brass super easy to tune a load for.

decisions decisions
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Old 10-22-2011, 02:43 PM
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Re: .260 rem vs. 6.5 creedmor vs. 6.5-284 norma

Quote:
Originally Posted by MuleHunter View Post
I would go with the 260 rem. Best ballance of barrel life and velocity. Lapua makes brass for it now too. It's a good choice if you roll your own. If you are looking for good factory match ammo the Creedmoor is a good choice (although there is a lot of good stuff for the 260 also like Cor Bon etc.)

If you don't mind smoking a barrel or two the 6.5x284 is awesome. Great consistent brass super easy to tune a load for.

decisions decisions
I agree with you completely but some people on some BB's get all up in arms when you attempt to explain WHY a 6.5 x 284 ( or even just a plain 284) is a throat eater.

Out of the selection I went with a custom barreled .260...and so far ( very limited usage) I love it. If the right load in a 260...( or for that matter a Creedmore or even the 6X47) cant get "it" done..then it cant be done.
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Old 10-22-2011, 04:53 PM
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Re: .260 rem vs. 6.5 creedmor vs. 6.5-284 norma

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Old 10-22-2011, 08:43 PM
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Re: .260 rem vs. 6.5 creedmor vs. 6.5-284 norma

7mmRHB's assessment of the four cartridges is pretty much right-on.

Also, as other have mentioned, of the four, I believe the 260 has the best balance of velocity and barrel life. You can also get Lapua brass for the 260.

I talk the talk and walk the walk...

My 260 by MCR

Used this rifle to take an antelope this year at 670 yards....

2 VA LRHers in eastern WY
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Old 10-23-2011, 04:22 AM
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Re: .260 rem vs. 6.5 creedmor vs. 6.5-284 norma

Quote:
Originally Posted by Sully2 View Post
I agree with you completely but some people on some BB's get all up in arms when you attempt to explain WHY a 6.5 x 284 ( or even just a plain 284) is a throat eater.

Out of the selection I went with a custom barreled .260...and so far ( very limited usage) I love it. If the right load in a 260...( or for that matter a Creedmore or even the 6X47) cant get "it" done..then it cant be done.
Whatever you do don't shoot it. Save yourself!

The damned thing is insanely addictive.

I guess I'll have to put some pictures of my new AR 260 up and maybe a target.

Had to remount the scope yesterday and actually put a paper target up to sight it back in instead just shooting trusty rocks in the pasture as usual.

Didn't have much time, so I just set it at 250yds and started shooting.

After a 20rnd magazine.... . well it looked so good I burned three more magazines on rocks out to 800yds, and then made a real mess out of a starving, flea bitten, mangy young coyote at a little over 400yds on the run on my way home.

I don't quite have it all together like I want it yet, but damn is it a fun rifle to shoot!

8 twist 24" is loving 120's, 123's, and 130's.. .
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