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338 ulta verses 338 kt mag

 
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  #8  
Old 10-08-2001, 10:27 PM
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Join Date: May 2001
Posts: 258
Re: 338 ulta verses 338 kt mag

Guy:
Any luck with the 210 Nosler yet? I just bought my .338 Ultra in the BDL custom setup, and chose the 180gr Nosler Ballistic Tip for Antelope and Deer (can't go wrong with a 180gr pill going 3500fps) and the 210gr Partition for Elk. I decided to go with the 210gr because I'm hoping for more dramatic impact results because of the higher velocities...sometimes the heavier partitions hold up TOO well, almost acting like FMJs. I will be sighting mine in this weekend, and taking it out for antelope on Sunday with the Ballistic Tips...I'll let you guys know how they turn out. In the mean time, Guy, and everyone else, if you have any experiences with the 210, 225, or 250gr Partitions, please share them.
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  #9  
Old 10-09-2001, 09:59 AM
 
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Re: 338 ulta verses 338 kt mag

Ben - I have only fired the 210 Nosler Partition and the 180 Nosler BT with Reloader 22 to find the approximate pressure/velocity levels (one round at one grain intervals). The 210 went 3205 fps with no pressure signs while the 180 BT went 3375 fps with an ejector mark on the case. Accuracy with both bullets was a little less than 1 moa@100 yds. I don't think I can get close to 3400 fps with the 180 BT in my Sendero w/ a 26" barrel, so 3500 fps may be too optimistic for that bullet. But I don't know that for sure. You can find more info at www.accuratereloading.com. Look under Forums, Big Game Hunting, 338 Ultra? for the data that I posted.
My family and friends all hunt with various 338's and we all use the 210 Nosler Partition for deer and elk. It's penetration was more than adequate on the larger bulls that we have killed, plus, on deer it doesn't seem to do too much damage to the meat - for a 338 caliber bullet. Through the years we have all tried the 250 Nosler on elk and the performance was excellent also. We just prefer the 210's for elk. IMHO on game larger than elk I would bump up to the 250 Nosler in my 340 Wby.
I am interested in what your loads work out to be in your 338 RUM. Please post some info including your fun with antelope this coming weekend. A friend called me this morning and told me that he took a 14 3/4" antelope this past weekend. That is a pretty good antelope for Colorado.

Good luck this weekend
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  #10  
Old 10-09-2001, 05:28 PM
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Join Date: May 2001
Posts: 258
Re: 338 ulta verses 338 kt mag

Guy,
Nosler posted load data on their website for the 180-200gr Ballistic Tips and 210-225-250gr Partitions. With RL22, the 180gr was screaming out at 3500+fps. Max load with RL25 had the 250gr Partition pushing 3000fps. The 210-225gr partitions were hovering between 3200-3100fps respectively.
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  #11  
Old 10-10-2001, 06:54 AM
 
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Re: 338 ulta verses 338 kt mag

Just looking at Nosler's data singed my eyebrows! Pretty fast velocities for the 180 BT. I don't think I can reach that velocity with my rifle. I was using 97.0 gns of Rl22 for 3375 fps and that was showing pressure signs. Maybe I should take a closer look at the 180 again.
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  #12  
Old 10-21-2001, 12:34 AM
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Join Date: Oct 2001
Location: wa
Posts: 40
Re: 338 ulta verses 338 kt mag

guy, how did the shooting go w/ the 210 AND 225 gr bullets.I can't make up my mind between a Sako TRG-S in 338 Lapua and the Rem sendero that you mentioned. Case capacities are very similar, the two guns cost about the same, accuracy is the only variable I'm yet to get info on. Thanks SC
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  #13  
Old 10-22-2001, 07:34 AM
 
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Re: 338 ulta verses 338 kt mag

wannabe - we have not been out shooting since my last post. The 210 Nosler might in my 338 RUM might better my 340 WBY velocities by 100 fps or around 3200 fps w/ RL22. Accuracy was under 1 moa. I use an excel spreadsheet for logging my load data. I input group size (when available) into the load data info and let excel track the averages. So far the rifle is still shooting in the 1/2 moa range at 100 yds for all the loads we have fired through it. All we have done to the rifle is to lighten the trigger to 2 1/2 lbs.
We have not used any 225 grain bullets yet.
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