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Retumbo loads for 300 Win Mag.

 
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  #1  
Old 08-01-2008, 03:08 PM
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Location: western PA
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Retumbo loads for 300 Win Mag.

I'm thinking about trying 185 vlds in my 300 win mag, I thought about using Retumbo, but can't seem to find any load data. If anyone is using this or nows where to find some load data, would like to know what your using or where I can fan find some.
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  #2  
Old 08-01-2008, 03:26 PM
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Join Date: May 2008
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You might try calling Berger. They emailed me load info for my 300 WSM.
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  #3  
Old 08-03-2008, 08:23 AM
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I'm using 82gr of Retumbo behind the 210vld. As always work up, and jyour mileage may vary.
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  #4  
Old 08-03-2008, 03:08 PM
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Have you gone to the hodgdon website?? If I remember right the earlier data they had they did not recomend it for 180 grainers but they may have changed the data lately. It is ever so slightly slower than H1000 so when I play with retumbo I start towards the upper end of H1000 loads and work up. I did have a strange experience with retumbo that has put a bit of fear in me. I had a load that worked good with the 200 accubond and had no problems. I tried the exact same load under a 180 tsx thinking the lighter bullet and rings on the tsx would really make for a safe starting point....wrong...didn't blow primers but darn close and came darn close to duplicating 300 wby speeds!! It could be one of those strange powders that stays calm under highly compressed loads but "comes alive" when not.
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Old 08-04-2008, 09:15 AM
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Quote:
Originally Posted by kraky1 View Post
Have you gone to the hodgdon website?? If I remember right the earlier data they had they did not recomend it for 180 grainers but they may have changed the data lately. It is ever so slightly slower than H1000 so when I play with retumbo I start towards the upper end of H1000 loads and work up. I did have a strange experience with retumbo that has put a bit of fear in me. I had a load that worked good with the 200 accubond and had no problems. I tried the exact same load under a 180 tsx thinking the lighter bullet and rings on the tsx would really make for a safe starting point....wrong...didn't blow primers but darn close and came darn close to duplicating 300 wby speeds!! It could be one of those strange powders that stays calm under highly compressed loads but "comes alive" when not.
That is very strange
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  #6  
Old 08-04-2008, 02:09 PM
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Yes..it shocked me too. I've read reports (with skeptisism) of people who seem to go past max loads when highly compressed and see no jump in speed or apparent pressure. If you understand the 300 win mag cartridge at about 83 grains of powder and trying to cram a long 200 grain bullet down to 3.340 you can imagine the compression. Don't know if that's the factor I saw or not. Perhaps I was way past max with my 200 grain load but it somehow didn't react...but then dropping to a 180 I had the super speedy result. 180 tsx's should NOT be doing 3225 out of a 24" barrel in a 300 win mag!
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  #7  
Old 03-22-2012, 08:58 AM
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Re: Retumbo loads for 300 Win Mag.

How do you post a thread?
Ray
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