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Best long range cartridge for a .473 bolt face LA

 
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  #1  
Old 01-29-2011, 09:45 AM
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Best long range cartridge for a .473 bolt face LA

I want to rebarrel an old 270 post 64 model 70 of mine. The barrel is in tough shape. I'd like enough punch to take elk to 700 yards or so if I ever get the opportunity.

What would be the best performing deer and elk cartridge for this project? I was thinking 284 Win or 280 AI. My only requirement is that they feed well and I've read about feeding issues with both of these chamberings.

Thanks for any advice.
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Old 01-29-2011, 10:24 AM
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Re: Best long range cartridge for a .473 bolt face LA

Those would be the calibers I would pick, but you could also add to the list, the 6.5x284. 30-06, and even a 270 using good bullets will do the job. I would rebarrel the 270 to a custom 270 with a 1:9 or 1:10 and shoot the 150 Berger or 150 Hornady SST out of it. That will knock them down.

For the 06, look at a 180 or 190 grain bullet and push the snot out of it. It will fillump them pretty quickly. You could also do a 260.

Tank
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Old 01-29-2011, 10:27 AM
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Re: Best long range cartridge for a .473 bolt face LA

very subjective question. I would either have the bolt opened up or replace it with a new one from PTG. Then chamber in something magnum 30 or 338 cal.
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Old 01-29-2011, 10:45 AM
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Re: Best long range cartridge for a .473 bolt face LA

The 280 AI would be my first choice without any modifications to the bolt of magazine.

Good bullets , close to a 7mm Rem Mag and a fine performer.

There are lots of other good cartridges that will work with little or no work and some real boomers
if you want to do some work on the bolt face and the mag.

J E CUSTOM
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Old 01-29-2011, 11:48 AM
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Re: Best long range cartridge for a .473 bolt face LA

Quote:
Originally Posted by J E Custom View Post
The 280 AI would be my first choice without any modifications to the bolt of magazine.

Good bullets , close to a 7mm Rem Mag and a fine performer.

There are lots of other good cartridges that will work with little or no work and some real boomers
if you want to do some work on the bolt face and the mag.

J E CUSTOM

Does the 280 AI typically present any feeding issues? Thanks.
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Old 01-29-2011, 01:35 PM
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Re: Best long range cartridge for a .473 bolt face LA

I would normally recommend the 280AI. Since you brought up 700 yard elk, the 30-06 IMHO could serve you a bit better. Dont be fooled, there are plenty of high BC 30 cal bullets that will run with the 7mm just fine.
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Old 01-29-2011, 02:34 PM
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Re: Best long range cartridge for a .473 bolt face LA

I would go 30-06 AI or 280 AI. The 06 AI with the 200 grain accubond or 190-210 grain bergers should get you to 700 yds especially at higher elevations. I shoot 200 grain accubonds from the standard 06 from a 22 in barrel and get 2720 FPS using RL17. With a 24" barrel and an AI treatment you should pick up another 50 FPS.

The 280AI and the heavier 168-180 grain Bergers would get you in the ballpark also. You would have to go to a 1:9 twist for the 180 I believe.
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