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1500 Yard Elk Caliber

 
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Old 05-29-2013, 12:51 PM
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1500 Yard Elk Caliber

Hi Guys,

I am looking into what it might take to build a rifle capable of taking Elk sized game to 1500 yards. I am working with a standard atmosphere at 8000' elevation with a goal of getting 2000ft/lbs at 1500 yards. I used SMK's as they are fairly easy to locate and are on the cheaper end of the spectrum.

Here are some numbers I worked up. These are rough minimums to make the energy/distance goal stated above:

308 240gr SMK 3550 muzzle velocity 1950 impact velocity
338 300gr SMK 3075 muzzle velocity 1748 impact velocity
375 350gr SMK (.800 BC used) 2800 muzzle velocity 1619 impact velocity

My questions are these:

- Which cartridges will drive these bullets at these speeds in a 28"-30" tube?
- Which would be your recommendation and why?
- What actions could your various selections be built on safely?
- Considering bolt thrust, anything larger than a RUM case will need something more than a Rem or Savage action, correct?

I will conclude by adding that this is a far distant thought at this point, and it would be extremely attractive if one of these could be built on a Savage action, as a single shot.

Any other thoughts? Thanks guys and God bless you all,

Adam
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Old 05-29-2013, 01:04 PM
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Re: 1500 Yard Elk Caliber

.300 AX, .30-378 Wby, .338-378 Wby, .338 Lapua, .338 Allen Magnum, .338 Edge+P, .375 CheyTac, .408 CheyTac, .50 BMG.

I think you might could get away with some slightly smaller cartridges, but if you want to play with the heavy hitters......There they are.
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Old 05-29-2013, 01:07 PM
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Re: 1500 Yard Elk Caliber

I've had a hard time finding data on the 375 RUM and the 350 SMK. Any idea what it can do velocity wise?

I agree, my numbers are conservative, which more marginal cartridges would you included?
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Old 05-29-2013, 01:30 PM
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Re: 1500 Yard Elk Caliber

The 375 AX will push the 350 smk about 2900 fps with a 28" barrel, the 338 edge +p will push the 300 grain SMK at about 3000-3100 fps depending on which brass you use and i dont know of any cartridge that will push a 240 smk at 3550'. If you use the 300 grain berger instead of the SMK the 338 edge +p make an easy 1500 yard elk rifle.
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Old 05-29-2013, 01:47 PM
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Re: 1500 Yard Elk Caliber

I've never hunted elk, these are just the biggest calibers I know of that I hear talked about.

Elk hunting with a .408 Cheytac at 2,500 yards would be cool....I'd be down for that.
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The 284 is to the STW what a tricycle is to a Ninja.
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Old 05-29-2013, 02:17 PM
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Re: 1500 Yard Elk Caliber

Quote:
Originally Posted by cowboyarcher View Post
I've had a hard time finding data on the 375 RUM and the 350 SMK. Any idea what it can do velocity wise?

I agree, my numbers are conservative, which more marginal cartridges would you included?
I think you can get close to 2800 with a 28" barrel. It might only be 2750fps but isn't that really close enough? I have a reamer and 2 .375 Barrels and have thought about doing it just to see what you can get but the brass is basically unavailable most of the time and of crappy quality unless you use Bertram .338 Edge brass and neck it up. So I will probably build a .375-.338 Norma IMP. or a .375-.338 Lapua IMP. instead since I have a Stiller TAC338 action as well.
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Old 05-29-2013, 02:23 PM
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Re: 1500 Yard Elk Caliber

I would add the 338 Excalibur to the list you have. It is just about the baddest 338 on the planet.

It will hold 135 to 140 grains of powder and is ideal for the 300 grain bullets.

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