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What magnum-boltface cartridge for long range

 
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  #1  
Old 10-07-2012, 11:20 PM
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What magnum-boltface cartridge for long range

I have a rifle with a mag boltface that I'm going to rebarrel. I was thinking of 7mmRemMag, but anyone have any other suggestions? Remember it has to use the mag boltface. Its currently a 270wby sporter on a Mark V action. I'm going to use a varmint countour so I can shoot more than 3 shot strings. The use will be practicing out to 1100 yards and occasional hunting if I won't be hiking it up hills.

264 mag? 7 Dakota? 7 Practical? 7wby? Accuracy would trump velocity gains in this decision.

What rounds have the best barrel life (mag boltface)?

Are any of these rounds reputed to be more accurate than others?

I don't have any real gaps in my arsenal.

What would you guys do?
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  #2  
Old 10-07-2012, 11:59 PM
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Re: What magnum-boltface cartridge for long range

I'd be tempted to build another 338 Edge or something based on the 375 Ruger.
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Old 10-08-2012, 08:58 AM
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Re: What magnum-boltface cartridge for long range

338 ultra,338 edge, 300 ultra with 230 bergers all have the potential for great accuracy. 338's will have longer barrel life
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Old 10-08-2012, 03:49 PM
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Re: What magnum-boltface cartridge for long range

I'm a fan of the 7mm's for ballistics/power upon arrival/tolerable recoil. For some reason I just am not a huge wby cartridge fan for accuracy.
I'm considering the 7wby, but I already load/shoot a 7stw so I have a hotrod 7mm.
I'm trying to keep myself from going 338 due to recoil, but it'll be a heavy barrel on a heavy action and I can brake it. And, I don't have a big boomer currently other than the AR50. In fact the 7STW is my most powerful hunting rifle. 340wby? Anyone have a rifle similar to this and could compare recoil/fatigue to other rifles?
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Old 10-08-2012, 04:38 PM
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Re: What magnum-boltface cartridge for long range

when you rebarrel it you can have the chamber throat lead cut to your specs and make it as accurate as most anything else out there. Since your already familiar with the 270 Weatherby I would just stay with that and feed it 165gr Matrix vld, That would be a pretty potent combo in it's own right. With a tuned action and custom chamber 26-28" barrel of excellent quality I don't see any reason why you couldn't do 1100 and do it with very good results.

I'm assuming you handload also
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Keep in mind the animals we shoot for food and display are not bullet proof. Contrary to popular belief, they bleed and die just like they did a hundred years ago. Being competent with a given rifle is far more important than impressive ballistics and poor shootability. High velocity misses never put a steak in the freezer.

Joe
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  #6  
Old 10-10-2012, 05:09 PM
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Re: What magnum-boltface cartridge for long range

Yes I reload.

The 7mm Rem mag keeps making more and more sense. 180 bergers at 3000 fps seems hard to beat at a recoil level that shouldn't be bad at all with a barrel with a muzzle around 0.875".
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  #7  
Old 10-10-2012, 05:20 PM
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Re: What magnum-boltface cartridge for long range

I have a 26.5" strait tapper barrel with muzzle dai of 0.750 on my 7mag, about 1 out of 4 I can spot my hits at 500. the other 3 I just can't quite get back on fast enough. 180gr at 3k, better plan on a 28-30" barrel
__________________
Keep in mind the animals we shoot for food and display are not bullet proof. Contrary to popular belief, they bleed and die just like they did a hundred years ago. Being competent with a given rifle is far more important than impressive ballistics and poor shootability. High velocity misses never put a steak in the freezer.

Joe
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