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300 Ultra at 1000 Yards

 
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  #8  
Old 11-01-2002, 09:54 AM
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Re: 300 Ultra at 1000 Yards

I also tried the route of buying the Sendero 300 Ultra with dismal results. I'm happy to say I got my money back out of that deal...

Matt27, tell me the specifics of your .300 Lapua. I too am having one made (.338 Lapua necked to .308).
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  #9  
Old 11-01-2002, 01:02 PM
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Re: 300 Ultra at 1000 Yards

Matt,

I having the following 30/338 Lapua built for me:

a Nesika M action, Nesika 30 minute tapered scope base, 32" Lilja 3 groove 11 twist barrel, Jewell trigger, HS Precision tactical stock with HS removable box magazine, custom brake and a NightForce 5.5-22x56 in NightForce rings.

I labored over choosing each of the individual components. If you need input on your design, I'd be happy to help...
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  #10  
Old 11-01-2002, 03:53 PM
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Re: 300 Ultra at 1000 Yards

Brent, Haven't measured the vel yet but the load uses 98 to 99gr H870 to launch 240gr MK. Would expect 3100 to 3200fps based on others experience.

The elevation was a ballpark figure. It is probably less then 20Min that is needed.

Re22 may be a little fast but there is only one way to find out. Retumbo is getting some positive feedback so may be a good alternative. Of course, there is WCC872 surplus which you can buy for cheap.

Good luck...
Jerry
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  #11  
Old 11-01-2002, 04:29 PM
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Re: 300 Ultra at 1000 Yards

Brent, how long is the barrel? My 26" A-Bolt gives 2978 with the 240 launched by 99 grains of H870. That's as hot as I can go and still shoot it in summer weather.

BTW, mine has a 1:10 twist and it stablizes the 240 just fine.

Congrats on your new rifle!
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  #12  
Old 11-01-2002, 05:18 PM
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Re: 300 Ultra at 1000 Yards

Brent,I shoot two 300 Ultra's for 1000 yard benchrest......My Heavy gun...(36" 9 twist Krieger) will shoot 240's to the mid 31's with a 90 grain's AND THEN SOME [img]images/icons/grin.gif[/img] Of Retumbo.Have not pushed the 240's in my light gun.(30" 10 twist Hart)Both gun's have shot sub moa 10 shot 1000 yard group's....As an add on,my 1st 300 Ultra,a Sendero shot a 13" ten shot 1000 yard group..

[ 11-01-2002: Message edited by: Boyd Heaton ]
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  #13  
Old 11-02-2002, 12:29 AM
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Re: 300 Ultra at 1000 Yards

STL_Shooter

I haven't quite got it figured out yet.Still in the process of figuring out what i want. Barrel length,throat length action and so on. Just in prelim stages. Probably will go with neseika action. I plan to build it to shoot the 240 sierra match kings with. all i know now will get back with when i figure it all out
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  #14  
Old 11-05-2002, 03:05 AM
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Re: 300 Ultra at 1000 Yards

Thanks everyone. The action will be used with a custom barrel in the end. The deal was done that night. The gun was like new and the stock will be used on a 721 action a friend gave me when I get a custom lightweight barrel for just toten around on the wheeler and such. The action will be trued and used in a project over the winter with an HS stock in the meantime. The idea was to aquire a SS action for the project and the stock for the 721 and in the meantime shoot the 300 RUM barrel for all it's worth over the winter instead of my 300WM.

I agree 100% on the custom route. Factory barrels just don't compare, at least the vast majority don't anyway.

I went out to 200 yds the day before last with it, looked down the bore, adjusted the scope and fired 3 rds then moved it to the bull. I then fired 5rds of factory 180 Sciroccos, 5rds of factory 180 Partitions. They grouped under 3.5" each.

I had loaded 10 180 Nosler BT's up at 80gr with IMR-4350, which was Noslers most accurate powder and load also just to shoot something else too. It did the best of all of them at 3", still nothing to brag about but it was ten rounds in tree inches with no load development at all yet.

I'm headed back to the range tomarrow with starting loads up to max loads in .2gr increments to find the sweet spot in a couple different bullets. The 180 BT and the 165 Scirocco that are on hand. I mounted a strain gage on it today so I can check psi with the Oehler 43 along the way. I'll be using two sets of skyscreens downrange to check BC's also.

I'll get a good drop chart to start from out of this.

The trigger was already lightened up, that was nice.
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