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I'm indecisive. Help me choose a caliber.

 
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  #15  
Old 11-17-2012, 12:03 PM
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Re: I'm indecisive. Help me choose a caliber.

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Originally Posted by Royal Knight View Post
My 2 cents would be and its a wildcat. 260 ackley improved.
I'd much prefer the 6.5x57AI, or a 6.5x55AI. The 6.5x57AI is nothing but a .257AI necked upto 6.5. Even better would be a 7x57AI (Ackley often said it was his best improved cartridge)
gary
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  #16  
Old 11-17-2012, 12:22 PM
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Re: I'm indecisive. Help me choose a caliber.

If I was gonna go 7x57 ai I would do the 7mm-08 ai
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  #17  
Old 11-18-2012, 11:38 AM
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Re: I'm indecisive. Help me choose a caliber.

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Originally Posted by Royal Knight View Post
If I was gonna go 7x57 ai I would do the 7mm-08 ai
Ackley never did a 7-08AI for starters. But it's also pretty must a waste of time as you won't gain much of anything by improving the case except to stop brass flow. Where as a 7x57AI will pretty much push a 140 grain bullet to about 3200fps with nearly double the barrel life of the other. There's also the 7mm Arch which is pretty much a 6.5x55AI. That one's good for nearly 3100fps as well. Nice thing about the Arch is that you can form the cases out of generic .257 Roberts brass to help make up for the case shrinkage during fire forming. The neck's already too short in the 7-08 before you improve it, and it will shrink that number another .03" when it's done. Meaning a rather dismall barrel life
gary
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  #18  
Old 11-18-2012, 01:03 PM
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Re: I'm indecisive. Help me choose a caliber.

There have been some good caliber recommendations so far.
In my personal experience the 7mm remington magnum is about the best all around (affordable) long range performer on medium sized game. This is an easy round to load for, inexpensive components, and mild recoil in an 8 pound rifle (feels the same as a 270 WSM). You should easily get 1/2 MOA from a factory Remington 700 rifle in 7mm. Using a 26" barrel I get 3000 fps with 162 hornady amax bullets, at 1000 yards there's still over 1000 ft lbs of energy remaining. Seriously check out the 7mm rem mag.
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  #19  
Old 11-19-2012, 12:12 AM
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Re: I'm indecisive. Help me choose a caliber.

Given the current discussion, and a few others that I've been reading on over the past weekend, I am leaning towards something in either 6.5 or 7mm. The 7mm Rem Mag catches my attention most, just due to the fact that it's been around for a while. I also like the availability of components for 7mm. I'm guessing I need a 28" or 30" barrel for optimum velocity?

I've never dealt with belted rounds when reloading. Does it really turn out to be any more trouble, or any different than non-belted rounds?
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  #20  
Old 11-19-2012, 08:57 AM
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Re: I'm indecisive. Help me choose a caliber.

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Originally Posted by junkpile View Post
Given the current discussion, and a few others that I've been reading on over the past weekend, I am leaning towards something in either 6.5 or 7mm. The 7mm Rem Mag catches my attention most, just due to the fact that it's been around for a while. I also like the availability of components for 7mm. I'm guessing I need a 28" or 30" barrel for optimum velocity?

I've never dealt with belted rounds when reloading. Does it really turn out to be any more trouble, or any different than non-belted rounds?


A 7 MM Rem was my first elk rifle. From my experience, 26" in a 7-mag barrel is plenty although I wouldn't cut down a longer barrel if I had one.

I found no meaningful difference due to the belt when reloading for the 7-mag. The cases may EVENTUALLY fail right above the belt because the belt does produce a stress-point, but I wouldn't worry about that for several rounds across the reloading bench.
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  #21  
Old 11-19-2012, 12:10 PM
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Re: I'm indecisive. Help me choose a caliber.

nice thing about the Remington 7mm mag is you can find ammo for it in just about every state. Seems to have a pretty good barrel life, and is known to group very well. Yes there are faster 7mm rounds, but the 7mm is about perfect. My only real complaint about the round is the belt, and I've learned to live with the belt thru the years. If you don't like the belt, then look at the .280 remington or the 7x57AI. With the 7x57AI, all you do is fire factory 7x57 Mauser rounds thru it. I also mentioned the .300WSM in the past, but the ammo is kinda steep in price, and not to be found everywhere. If the rifle is a long action, I also wouldn't rule out the .270 Winchester. For me it would either be a 7x57AI or a .308 Norma mag without hesitation.
gary
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