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

 
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  #8  
Old 09-09-2011, 05:15 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

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Originally Posted by HARPERC View Post
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.
Unfortunately no. All my choices in bullets for the 6.5's right now is read knowledge. I would do a little research on accurateshooter.com. There are some really good articles out there with first hand accounts. With the 6.5 Lapua the SMK really shines, but thinking the A-max will hollow out the animal pretty good.

Tank
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  #9  
Old 09-10-2011, 10:43 AM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

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Originally Posted by HARPERC View Post
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.
6.5x284 is a different animal from the 260 rem. It will push the heavier bullets faster and maximize their effectiveness over slightly longer ranges.

As Wildrose states, the 260 Rem is a better balance for barrel life, recoil, etc... and with the medium bullets, it'll perform equally well, or arguably better out to some distance depending on circumstances.

Both are great cartridges. I prefer the 140's for my 6.5x284's. I don't currently have a 260. But, I like Wildrose's approach and may have to try it some day.

JMO
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  #10  
Old 09-10-2011, 12:20 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

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Originally Posted by rscott5028 View Post
6.5x284 is a different animal from the 260 rem. It will push the heavier bullets faster and maximize their effectiveness over slightly longer ranges.

As Wildrose states, the 260 Rem is a better balance for barrel life, recoil, etc... and with the medium bullets, it'll perform equally well, or arguably better out to some distance depending on circumstances.

Both are great cartridges. I prefer the 140's for my 6.5x284's. I don't currently have a 260. But, I like Wildrose's approach and may have to try it some day.

JMO
-- richard
It took me a very long time to settle on the .260 because I had a specific set of criteria I wanted to fill.

To begin with I wanted a high velocity, high BC round in excess of 110gr's that would work in a long range LR platform.

The .243 just isn't quite enough. .308 lacks the velocities I want because this weapon will be used a lot on predators and hogs, which are usually moving and sometimes at very high speeds.

I also wanted something proven in both tactical and general target shooting to be a precision performer beyond 500yds.

I've been working on this project in my head now for three years. I also gave serious consideration to the 6.5 Lapua and 6.5 Creedmore. I went with the bigger case because I didn't want to limit myself to shorter calibers if I wanted to just swap uppers so the Lapua was out. That left the creedmore and 260. I had to then just pull out my crystal ball and decide which caliber would be around in 20 years with the best availability of both factory ammo and components and I just figure that the .260 has the edge there along with slightly better ballistic characteristics.

As I was nearing a decision I cemented my position on the LR-308 platform in .260 rather than going with the AR 15, because at some point I'm probably going to build another upper in .325 wsm, as a dedicated hog gun that I may well try and use at some point on an Elk Hunt.

I don't have a lot of money, and when I buy a gun it's like buying a member of the family because I don't part with them easily and so I'm going to have to live with my choices for the rest of my life.

If I could have made a .264 WM or 6.5x284 fit in an AR platform, trust me I'd have had to do a hell of a lot less thinking over the last three years HA!

The ballistics of the 6.5 bullets in 140gr have been one of my favorites for over twenty years but I just can't get the combination of both bullet weight and velocity I desire from the 140's so I'm focusing on the 120-130gr range.

I'm very fortunate that there have in the last few years come along some just awesome bullets in that range.
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  #11  
Old 09-10-2011, 01:23 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

1:8 twist 26" barrel 2984fps with 130 bergers. They are extemely accurate in my rifle. Got mine this spring. I didn't get a single tag I put in for so I only have experience with just a couple coyotes out to 500yds. Needless to say they were anchored when I did my job.

Brent
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Old 09-10-2011, 02:12 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

Quote:
Originally Posted by rscott5028 View Post
6.5x284 is a different animal from the 260 rem. It will push the heavier bullets faster and maximize their effectiveness over slightly longer ranges.

As Wildrose states, the 260 Rem is a better balance for barrel life, recoil, etc... and with the medium bullets, it'll perform equally well, or arguably better out to some distance depending on circumstances.

Both are great cartridges. I prefer the 140's for my 6.5x284's. I don't currently have a 260. But, I like Wildrose's approach and may have to try it some day.

JMO
-- richard
All true. My post may have missed my intent which was to affirm his choice of middle weight bullets. I still can't access my Ballistics program for some reason, but to use the numbers someone else posted, at 500 yards the 125 still had over 2000 fps. Which gives me a bit more confidence about bullet performance at the ranges I'd likely shoot, on the size game I intend to shoot. You folks that are more capable at longer ranges will likely find 140's have more left.
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  #13  
Old 09-10-2011, 02:25 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

Quote:
Originally Posted by blipelt View Post
1:8 twist 26" barrel 2984fps with 130 bergers. They are extemely accurate in my rifle. Got mine this spring. I didn't get a single tag I put in for so I only have experience with just a couple coyotes out to 500yds. Needless to say they were anchored when I did my job.

Brent
Thanks Brent. I've just got a 24" so I'd probably get right around 2,900 with the same load. That's certainly in the window I'm looking for.

I've been something of a speed freak with my rifles forever so anything under 2,800fps just doesnt' do it for me, particularly because I do so much shooting on moving varmints and predators.
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  #14  
Old 09-10-2011, 03:45 PM
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Re: .260 Remington 24" 1:8 Twist... Best bulet Wt.

In an AR platform, the 123Amax is going to perform well. If they perform like other Amax bullets, they will provide quite the splat-factor. The other bullet to consider is the 130JLK JLK Home it is a fantastic bullet and the only one I shoot in My 260 by MCR
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