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.358 umt ???

 
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  #8  
Old 08-26-2010, 10:42 AM
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Join Date: Mar 2009
Posts: 145
Re: .358 umt ???

Yeah I read the article in the NRA mag that they talked about the 358.

There is no way you can consider that its flatter than a 7mm mag. The 358 bullets have bad bc under .4 and aren't much faster or even as fast.

On the flip side up close they sure would be a hammer! Over 5000lbs of energy would put a hurtin on about what ever you wanted.
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  #9  
Old 08-26-2010, 10:57 AM
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Join Date: Dec 2007
Location: SW Texas
Posts: 288
Re: .358 umt ???

If you want a real hammer get a 375 RUM!! Shoot the 350 SMK for long range or the 270 or 300 TSX for short range and dangerous game. Highly suitable, with proper bullet choice, for any big game anywhere other than elephant. And capable on elephant with a flat nose Barnes or North Fork solid.

If you want flatter and faster shoot the 7mm RUM or 300 RUM, same case again as 358 UMT. Higher BC bullets than the 358 and more speed.

Even the 338 RUM would be a better choice than the 358. The 338 RUM is a shorter case than 7mm RUM, 300 RUM, 338 Edge, or 375 RUM but not enough to make any real difference

Last edited by Varminator 911; 08-26-2010 at 11:00 AM.
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  #10  
Old 01-09-2013, 08:13 PM
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Join Date: Jan 2013
Location: Chugiak Alaska
Posts: 1
Re: .358 umt ???

I sure do like mine, performs well with 200 gr ttsx or 225 tsx. Recoil is stiff but my rifle isn't one of the heavyweights either. Stainless 700 Bdl in a Rem stock. A friend of mine has the only other one known to be in Alaska, both were made by a professional barrel maker in AZ with a reamer I ordered out of OR. In 2009 a grown Alaskan Moose received 1 TTSX from a lasered 325 yds and promptly expired. He was good eating too! I have a 3-9 X 40 Pentax Lightseeker which has served me well. I don't shoot .338 and my 7MM is a SAUM (good for sheep or caribou), therefore I'm not sure about the comparison. I also have some cronygrapgh data at home tho I won't be there until 18 Jan. The fine folks in Nebraska made my dies from 3 fired cases. I'd be glad to share any more information I can about this rompin-stompin round.
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  #11  
Old 06-12-2014, 11:50 PM
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Join Date: Jun 2014
Posts: 47
Re: .358 umt ???

When and if you get one let me know, we can compare notes, mine should be finished July or August. Bryce loaded it with 225 TSX, I'm gonna do the same. I'm also looking at getting a ULD from Corbin and making my own heavy BC Bullets for it.
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  #12  
Old 06-13-2014, 10:02 AM
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Join Date: Feb 2010
Location: Gillette, WY
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Re: .358 umt ???

Knowing that this post is ~4yrs old, I can't help but comment as the .358UMT has intrigued me since Bryce wrote about it all those years ago.

Is it a niche cartridge? Yep. But one has to admit it is still pretty bad ass. Why would one build it? Probably for the same reason anyone uses to build a wildcat, because they want to & they can. I built a .358STA some years ago, 225 Barnes @ 3000 fps... why not!?

The greater cross sectional area of the .358 should make a noticable difference in impact on big critter, especially at RUM velocities (most noticable <1k yds). Why isn't the .358 caliber more popular? Just as stated before, there are no viable long range bullets in said caliber. Would the UMT still kill elk @ 1kyds? Dern tootin'. Not to mention it should offer greater bore life than the 7mm, 300 & 338 RUMs respectively.

I think it would be a lot of fun personally, I've always tried to have the oddball cartridge in camp. That's why I chose the 7.82 Partriot over the 300WSM, that's why I chose the 6.5WSM, or the 22-243 over the 22-250 & the 6-284 over the .243 win.

In the end the question most often posed is: "Why?". The most simple answer is: "Because I can".


t
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"I, however, view ethics as an individual decision. My ethics are mine - and I won't explain or justify them to anyone else. I seek nobody's approval, just that of my own conscience. "

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  #13  
Old 06-16-2014, 09:46 AM
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Join Date: Jun 2014
Posts: 47
Re: .358 umt ???

Quote:
Originally Posted by Outlaw6.0 View Post
Knowing that this post is ~4yrs old, I can't help but comment as the .358UMT has intrigued me since Bryce wrote about it all those years ago.

Is it a niche cartridge? Yep. But one has to admit it is still pretty bad ass. Why would one build it? Probably for the same reason anyone uses to build a wildcat, because they want to & they can. I built a .358STA some years ago, 225 Barnes @ 3000 fps... why not!?

In the end the question most often posed is: "Why?". The most simple answer is: "Because I can".


t
Outlaw, I'm stealing your idea, I'm now calling my .358 Ultra Mag imp. a "Because I can" Ultra Mag. Hope that's okay
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  #14  
Old 06-16-2014, 10:11 AM
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Join Date: Feb 2010
Location: Gillette, WY
Posts: 2,779
Re: .358 umt ???

Quote:
Originally Posted by USCGLongBow View Post
Outlaw, I'm stealing your idea, I'm now calling my .358 Ultra Mag imp. a "Because I can" Ultra Mag. Hope that's okay

I'm not sure if you're serious or poking fun; either way, rock on my friend



t
__________________
"I, however, view ethics as an individual decision. My ethics are mine - and I won't explain or justify them to anyone else. I seek nobody's approval, just that of my own conscience. "

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