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.260 Remington 24" 1:8 Twist... Best bulet Wt.

 
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  #1  
Old 09-08-2011, 06:58 PM
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.260 Remington 24" 1:8 Twist... Best bulet Wt.

I'll have my new .260 soon, 1:8 twist 24" so I'm starting to think ahead to ammo and loading.

With the 1:8 twist I'm thinking I should stick to the 125-140's. I'll do some deer hunting with it, but primarily I'm thinking long range coyotes and other varmints so I'm wanting to keep it running as fast as I can while maintaining maximum accuracy.

That all being the case I'm thinking I should focus on the 125-130gr bullets.

Going to start with some Hornady SST's and Interbonds and Nosler Hunting Ballistic Tips and Accubonds. If I can find them there's supposed to be a sciroccoII in 6.5 130 gr that might be a good performer for this cartridge too.

I'll be trying to keep my loads between 2,800-3,000fps.

Sound like I'm on the right track?
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Old 09-09-2011, 01:21 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

I think you're on the right track in terms of 125-130gr bullets.

You can pick your own loads and bullets. But, I listed 3 factory examples below according to NFBal to illustrate the point that the cartridge seems here to perform best with the middle weight bullets.

Nosler Factory Ammo: 260 Remington
10mph wind, 1mph tgt speed
Distance=500yds

140g Partition 2725mv
Elev MOA 11.0
Wind MOA 3.75
Tgt Lead MOA 2.25
Velocity 1183
Energy 1103

125g Partition 2975mv
Elev MOA 9.0
Wind MOA 3.75
Tgt Lead MOA 2.0
Velocity 2013
Energy 1124

100g Partition 3215mv
Elev MOA 8.75
Wind MOA 4.75
Tgt Lead MOA 2.0
Velocity 1878
Energy 783
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Old 09-09-2011, 02:23 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

I really like the ballistics of the 123's and 130's. IF and when I build my 6.5x47 Lapua, the 123 SMK will be getting the go ahead. I think for ultimate splat factor, the 123 A-max is the way to go.

Tank
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Old 09-09-2011, 03:54 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

I don't know if it's the right track-but I'm on a similar track. I was going to refresh my memory, but for some reason my computer won't load my ballistic program right now. Anyway, I'm building a 6.5-284 as strictly a coyote/wolf rifle I'll either use the 120 Nosler Ballistic Tip, or the 123 Hornady A-Max, although I still have some concerns about the A-Max's terminal performance. When I ran the numbers to 600 yards these two looked pretty good. The Scirrocco looked good on paper, but it's long, and I'm in a short action.
If you're thinking longer ranges, and bigger game the 130's may come into their own. You certainly have the twist to run pretty much any 6.5 bullet out there.
A question for liltank: Have you got first hand experience with the 123 A-Max? I'm looking for the "ultimate splat factor" in mine.

Last edited by HARPERC; 09-09-2011 at 03:59 PM. Reason: add sentence
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Old 09-09-2011, 03:59 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

Thanks guys. With the tight twist I think for now at least I'll go no lower than 120's and I'm a big fan of using mid weight bullets at less than max velocity and pressure because for the most part over the years I've found they give me the best balance between precision and velocity and of course they definitely add to barrel life.

The gun will be going through some evolutions over the next few months before I have it completely done to suit me so I'll post some pictures and targets as we work though it all.

I'm awfully good at putting the lead on target but when it comes to the finer aspects of loading I like to lean on others with more experience.

Thanks again.
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Old 09-09-2011, 04:48 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

WildRose,
I was thinking about the Scirocco's when I was initially reading your post. They look impressive for a 130 grain bullet. Thats where I would start.

6.5mm/.264 Caliber - 130 Grain SCII - 6.5mm/.264 Caliber - Rifle Bullets - Scirocco II - Bullets without equal!

The Accubond's are the closest to the Scirocco's with their B.C.'s They're almost .100 less than the Swift's. That's huge!

Swift Scirocco II's BC .571
Nosler Accubonds BC .488
Hornady Interbond BC .485
Hornady SST BC .485
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Old 09-09-2011, 04:52 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

Quote:
Originally Posted by Firecat View Post
WildRose,
I was thinking about the Scirocco's when I was initially reading your post. They look impressive for a 130 grain bullet. Thats where I would start.

6.5mm/.264 Caliber - 130 Grain SCII - 6.5mm/.264 Caliber - Rifle Bullets - Scirocco II - Bullets without equal!

The Accubond's are the closest to the Scirocco's with their B.C.'s They're almost .100 less than the Swift's. That's huge!

Swift Scirocco II's BC .571
Nosler Accubonds BC .488
Hornady Interbond BC .485
Hornady SST BC .485
I'm starting with a box of each in 130's

When I find one that works It'll be time to start reloading again.

I also during this search found out that Nosler is now making 6.8's in 100gr and those can be loaded to around 2700fps so that's my next project.

I carry two rifles every day, the mini 14 in 6.8 and my .204. They are my go to varmint/predator control weapons so I go through a lot of them. They're also both fun to plink with unfortunately, especially the mini (sub MOA @ 600yds) so I shoot the hell out of it!

If the sciroccos perform up to their potential in the .260 I may soon very much be in love.
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Last edited by WildRose; 09-09-2011 at 05:20 PM.
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