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300 WSM reloading info request

 
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  #1  
Old 02-05-2014, 12:26 AM
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Join Date: May 2013
Location: NW Indiana
Posts: 13
300 WSM reloading info request

Barring that I find a serious reason not to, I plan on buying a light weight rifle in 300 WSM, and was wondering two things.

#1-Are there any problems unique to reloading the 300 WSM I need be made aware of, or as I all my research to date has indicated, the 300 WSM reloads much like any other rifle caliber.

#2-Is there 1 or 2 powders that out shine all the rest for use in the 300 WSM with bullets weighing 180 grains and 165 grains respectively? This rifle will see use out west predominately as a light weight elk rifle, and secondly if I ever get the bug to hunt antelope, WT or Mule deer should the oportunities presents themselves.

Thank you,
Arthur.
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  #2  
Old 02-05-2014, 12:29 AM
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Join Date: Jun 2013
Location: Tip Top of West Virginia
Posts: 662
Re: 300 WSM reloading info request

Quote:
Originally Posted by ARTD338 View Post
Barring that I find a serious reason not to, I plan on buying a light weight rifle in 300 WSM, and was wondering two things.

#1-Are there any problems unique to reloading the 300 WSM I need be made aware of, or as I all my research to date has indicated, the 300 WSM reloads much like any other rifle caliber.

#2-Is there 1 or 2 powders that out shine all the rest for use in the 300 WSM with bullets weighing 180 grains and 165 grains respectively? This rifle will see use out west predominately as a light weight elk rifle, and secondly if I ever get the bug to hunt antelope, WT or Mule deer should the oportunities presents themselves.

Thank you,
Arthur.
Nothing special about reloading for it. Powders that do the best are RL-22 and RL-25.
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  #3  
Old 02-05-2014, 12:59 AM
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Join Date: Feb 2013
Location: SW Alaska
Posts: 130
Re: 300 WSM reloading info request

For the 165 I have had great luck using H414, W760, and H4350. With the 180 grain bullets I have had good results using H4831. I have also heard that R17 gets high velocities in the WSM case. Most accurate load I loaded was W760 and a Swift Scirocco 150 grainer. It consistently was a 1/4 MOA load out of a factory savage 10, and devastated caribou.

Reuben
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  #4  
Old 02-05-2014, 06:19 AM
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Re: 300 WSM reloading info request

H4350 and RL17 are the go to powders.
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  #5  
Old 02-05-2014, 09:23 AM
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Join Date: Jun 2012
Location: OR
Posts: 110
Re: 300 WSM reloading info request

Not an issue with reloading per se, but I have heard that some have a hard time getting accuracy with bullets above 200gr. with the wsm.

I was able to attain .6" group with 180 gr. ttsx's with R19. Didn't go farther with that load since I was happy with that from my stock Tikka. But I am not a long range shooter.
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  #6  
Old 02-05-2014, 09:39 AM
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Join Date: Apr 2007
Location: Fort Morgan, Colorado
Posts: 326
Re: 300 WSM reloading info request

My only experience with the 300WSM has been with 165 grain bullets and IMR4350 worked very well with it. I have heard with the heavier bullets that moderately slower powders such as H4831 can be used. The only problem I had loading for the WSM is my Lee Auto-prime had to dremel treat the shell holder opening to accept the large case head which was not much of a problem.
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  #7  
Old 02-05-2014, 10:28 AM
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Join Date: Jan 2014
Location: Central Montana
Posts: 61
Re: 300 WSM reloading info request

Quote:
Originally Posted by TBuckus View Post
Not an issue with reloading per se, but I have heard that some have a hard time getting accuracy with bullets above 200gr. with the wsm.

I was able to attain .6" group with 180 gr. ttsx's with R19. Didn't go farther with that load since I was happy with that from my stock Tikka. But I am not a long range shooter.
+ 1

Stock Tikka T3 Lite 300 WSM shooting sub 1/2 MOA out to 400 (haven't shot it farther) with RL19 and 180 gr TSX
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