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Tell me about the 338 Ultra Mag/ please

 
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  #8  
Old 08-15-2004, 04:25 PM
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Re: Tell me about the 338 Ultra Mag/ please

"The 300 RUM is a bigger case than the 338 RUM."

Really? Man! I did not know that.

Remington still has the Sendero in the 300 rum but not the 338.

Thanks!

Maybe I will start to take a long hard look at the 300rum.

Do you have a ballistics computer program? Anybody out there got some numbers to toss in here???

Thanks again.
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  #9  
Old 08-15-2004, 04:29 PM
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Re: Tell me about the 338 Ultra Mag/ please

"The best way to beat the Lapua is to neck up the 300 RUM and ackley improve it."

HEY! Maybe I will do just that...

What I am thinking is this. I can get an off the shelf Sendero at a fairly modest price compared to full blown custom. Then I can fiddle with it over the next several years getting it like I want. If the 300RUM Improved beats a 338 Lapua then that is the ticket for me for sure.

Thanks very much for the info.

Got any hard an fast trajectory and horsepower numbers on comparing these?
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  #10  
Old 08-15-2004, 06:03 PM
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Location: bluefield,va,us
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Re: Tell me about the 338 Ultra Mag/ please

i did just that got a sendero in 338 rum and sent it to www.rwhart.com for a new barrel and the works.it shoot great now and i love the brake.if i do it again i will get a used gun in 300 rum the cheapest one i can find.then have the work done on it.even a 300 win mag will work as long as all you need is a single shot.the stock was good on the sendero the trigger is now a jwell 1 pound.the lugs were lapped the action is now true and it has a skim bed and a hart break.also it is a switch barrel gun as well.the only thing i forgot to do was have the recoil lug pinned.i shoot it with a hart accuracy assist it makes the gun ride the bags like a bench gun love it thanks,keith
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  #11  
Old 08-15-2004, 06:06 PM
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Re: Tell me about the 338 Ultra Mag/ please

forgot to say im shooting a sierra 250 sbt or mhpbt at 3100 fps .the load is so accurate i have not even tried to find a better load.it's a max load but it shows no pressure at all .it has a 28.5 inch hart barrel.i use exbal with a palm and a LRF 1200 works great out to over 1200 yards.
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  #12  
Old 08-15-2004, 06:18 PM
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Re: Tell me about the 338 Ultra Mag/ please

Dixie,

Search all of the long range hunting board for the 300 Tomahawk, it is an improved version of the 300 RUM. There should be tons of info on it.

Andrew
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  #13  
Old 08-21-2004, 05:46 PM
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Location: Fredericksburg ,Va
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Re: Tell me about the 338 Ultra Mag/ please

Get the new Remington Catalog,338RUM is available again in the sendero.
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  #14  
Old 08-23-2004, 11:54 PM
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Re: Tell me about the 338 Ultra Mag/ please

Dixie, at 1500yds, I would still opt for the heavy bullet weights that the 30 and 338 bring. Personally shooting a 300RUM and 240gr MK. Impact energy at 1000m is impressive.

I have a friend who shoots a 280 with 168gr MK. At the same range, he puts light dents in the gong. The 240 almost shoots through it.

The big case 7's will launch the same bullet 200fps faster which gives you an extra 100 to 150yds of oomph. At 1000m (1100yds), the 7mm bullets do not impress me. For punching paper, no problem. For big game, I would err on the heavier side.

I am building my 338 Mystic. Very similar to the 338 Tomahawk. The benfits are better preformance over the Lapua, much cheaper brass, more available action choices.

Will consider the Lapua if it becomes a NATO cartridge.

Jerry
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