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300 WSM suggestion

 
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  #1  
Old 08-28-2009, 05:11 PM
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Location: Orem, Utah
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300 WSM suggestion

I recently purchased a new Win M70 300 WSM in the sporter package. I'm going to try and get out this weekend to break in the barrel with some cheap factory reloads. Once I've burned through the cheap stuff I'll need to pick up a box or two of good stuff for the hunts this year. I will be hunting both mule deer and spike elk (it's a Utah elk hunt). Any suggestion on what other 300 WSM have been liking? In addition to the factory loads, I'll be doing my own reloads after the hunts are over with this year. I would work up my load for this year if I felt like I had enough time. Any combonations that your finding most 300 WSM like? I'm look at using Ramshoot hunter or Hodgens new Hybird 100V powders, I'm not sure how these powders are working in the 300 WSM. So lets hear your thoughts.

thanks

400bull
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  #2  
Old 08-29-2009, 05:06 AM
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Re: 300 WSM suggestion

congrats on the new rifle... I would just buy a couple boxes of different bullets that you like and see what shoots better. Mine likes the 180 grain better than the 165, but that is just mine. My favorite powder is H4350 and CCI BR2's... but those primers are hard to come by now. No need to use a mag primer in that cal for most powders.

Your most efficient bullets in this cal are gong to be the 200 gr on down. Heavier will simply take up too much case capacity.
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  #3  
Old 08-29-2009, 06:44 AM
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Re: 300 WSM suggestion

I have had many sub MOA groups with winchester super x 180 gr power point. I bought the 300 when they first came out, and that ammo was the only ammo available at the store.

I also recomend h4350, I couldn't get mine to shoot with some of the other powders I have, but that shot well. Others I know like that powder also. I have some reloader 17, but haven't tried it yet.
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  #4  
Old 08-29-2009, 11:00 AM
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Re: 300 WSM suggestion

I would say the two top powders for the 300 WSM are probably RL 17 and H4350. With RL 17 I was able to achieve 3193 with 180 E-Tips and 2990 with H4350. I also got 2935 with with RL 17 and 210 Bergers seated to the lands which would not fit into my mag. This is with a Sako Finnlight.

Especially with factory rifles, your rifle will like different bullet/powder combinations better than other rilfes. The only way to find out what your rifle likes is to shoot it. I would start with RL 17, it's a great WSM powder.

-MR

Last edited by MontanaRifleman; 08-29-2009 at 03:07 PM.
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  #5  
Old 08-29-2009, 11:25 AM
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Re: 300 WSM suggestion

If I was starting new, I'd try the RL17, a lot of folks have been posting incredible results from it.

I use H4350 with 180gr+ and Varget with 165 and less.

CCI-BR2 primers.

Why even buy any factory loads, pick up some powder and the bullets you want to hunt with and break it in with a potential load. If it shoots good, you're set until after the season.

AJ
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  #6  
Old 08-31-2009, 11:48 AM
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Re: 300 WSM suggestion

AJ,

Thats a great suggesstion. Maybe I'll try and double up my load development time as my barrel break in time also. I just don't know if I'll be able to get out to the range enough because my wife has an antelope hunt coming up in a week that we need to get ready for also.

It sound slike everyone has been happey with Hodgen 4350 or RL 17. Maybe I'll try some of the tested stuff for now and work with the newer powders an other day.

400bull
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  #7  
Old 08-31-2009, 01:49 PM
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Re: 300 WSM suggestion

Quote:
Quote:
Originally Posted by 400bull View Post
AJ,

Maybe I'll try and double up my load development time as my barrel break in time also. l
This is what I try to do. I have 10 rounds loaded for each combination of 3 bullets and two powders for my 300 RUM to find the max load for those combinations. For one of the bullets I'm only using one powder so 50 rounds all together. I'll shoot working up one string at a time cleaning after each until my barrel is broke-in. After finding my max loads, I'll load 3 or 4 at each interval of .5 gr for each bullet and powder to find the most accurate loads with a broke-in barrel. Makes sense to me.

-MR

Last edited by MontanaRifleman; 09-03-2009 at 01:46 AM.
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