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300 Ultra for 2000yd. dogs

 
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  #1  
Old 10-26-2007, 08:05 PM
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300 Ultra for 2000yd. dogs

I had a friend ask what it would take to get a 300 um to get to 2000yds.
I guessed a 210 Berger @ 3100 would need about 90" @ 100 yds. I still did not think it would make it. What would the setup be to do this, a .338 Lapua maybe? What mounts,scope bullets and bbl. length.
Thanks Glenn
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  #2  
Old 10-26-2007, 08:44 PM
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Glenn, you need to read the Fiftydriver thread about what it takes to keep a 210 berger supersonic to 2000 yds; otherwise, you're gonna waste a lot of expensive bullets trying to hit a pdog (or even a regular dog) at that range...most likely will anyway.
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  #3  
Old 10-26-2007, 11:23 PM
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It is a myth that the bullet must be supersonic to be accurate. Many long range shooters shoot past the point where the bullet falls below ~1080fps, with no problem.

The following is an interesting read:

http://www.northfloridashooting.com/...ogShooters.htm

At two miles, and with a .308 Ackley (which is not quite as powerful as a 30-06).

There is also a group of shooters that are using the .303 Brit, .308, and 30-06 in Scotland, and shooting regularly at 2,200 yds (2,000 mtrs) with no problems.

It can be done with normal cartridges, and good optics - but you need a lot (I mean a LOT) of elevation, no matter what cartridge you use.

My 50BMG is set up so I have 145 moa of elevation ABOVE the 100 yd zero, and it should be able to reach ~2,700 meters (though I have only been able to find 1,900 meters of stretch in my part of the country).


.
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  #4  
Old 10-26-2007, 11:49 PM
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This past june we were in South Dakota shooting at 1760yds measured accurately. We were using a 300wsm with 190 bergers and a leupy boosted to 50x. I believe we had 55moa above are 100yd 0 and we were just about out of adjustment . My buddy who owns the gun is working on a mount as we speak that should get him to 3k+. Hes looking to make 2500 this coming june.
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  #5  
Old 10-27-2007, 12:06 AM
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Quote:
Originally Posted by CatShooter View Post
It is a myth that the bullet must be supersonic to be accurate. Many long range shooters shoot past the point where the bullet falls below ~1080fps, with no problem.

The following is an interesting read:

http://www.northfloridashooting.com/...ogShooters.htm

At two miles, and with a .308 Ackley (which is not quite as powerful as a 30-06).

There is also a group of shooters that are using the .303 Brit, .308, and 30-06 in Scotland, and shooting regularly at 2,200 yds (2,000 mtrs) with no problems.

It can be done with normal cartridges, and good optics - but you need a lot (I mean a LOT) of elevation, no matter what cartridge you use.

My 50BMG is set up so I have 145 moa of elevation ABOVE the 100 yd zero, and it should be able to reach ~2,700 meters (though I have only been able to find 1,900 meters of stretch in my part of the country).


.
Interesting read indeed.

What do you consider accurate at 2 miles? What would be considered inaccurate?

It appears that their accuracy is on the order of around 10ft of their target with repeated attempts. Thats around 3moa+, however if its 10ft left, 10ft right etc, then its more like 6moa+ unless I miss understood something (it is late).

It appears that if 1000 yard groups are hitting at 1/2MOA, that something is happening out there when the bullet drops out of supersonic to go from 1/2MOA to 6moa+?

AJ
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  #6  
Old 10-27-2007, 12:41 AM
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A 210 Berger at 5000' Elevation, my 300 RUM with a 2980 ft/sec muzzle velocity does make it to 2000 yards. I would need 64.4 MOA and a Night force scope (5.5x22-56 = 100 MOA) with 30 MOA base would give you close to 75 MOA of adjustment. That's to get there and still supersonic; hitting anything is something different!
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  #7  
Old 10-27-2007, 06:30 AM
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Quote:
Originally Posted by Eaglet View Post
A 210 Berger at 5000' Elevation, my 300 RUM with a 2980 ft/sec muzzle velocity does make it to 2000 yards. I would need 64.4 MOA and a Night force scope (5.5x22-56 = 100 MOA) with 30 MOA base would give you close to 75 MOA of adjustment. That's to get there and still supersonic; hitting anything is something different!


Yeah, but 2000yds is whole different can of worms than 2miles (3520 yds)
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