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300 WSM powders

 
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  #1  
Old 03-13-2011, 01:06 PM
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Join Date: Feb 2011
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300 WSM powders

Hi
I just ordered a bunch of bullets just wondering what guys are finding works best for powders in the 300 wsm ive been using imr 4350. I have rl 17 or should i buy hodgen powders? With the imr 4350 i was using 64 gr behind a 168 ttsx getting 2950 fps and 3/4 moa accuraccy.
The bullets i ordered were 175 gr LRX
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  #2  
Old 03-13-2011, 02:11 PM
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Location: Memphis Tn
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Re: 300 WSM powders

I am loading for three different 300WSM rifles, Two Winchesters and one Ruger Mark II.
When I first got my Model 70 Coyote I found that RL-19 gave me very good accuracy and good velocity. I have since moved away from RL-19 because of the effect that changing temps seem to have on RL-19. I have loaded IMR-4831 with good results and RL-17 will give great velocities but the accuracy is not the best. I have sort of stuck with the VV powders now and I like two different one for various weight bullets. For the 168 grain Barnes TTSX bullets like the bullets that you mentioned I love N550. This powder gives great velocity and good accuracy out of a factory rifle. For heaver bullets 185-190 Bergers I am using N165. I have gotten 2960 ft/sec out of a Model 70 Winchester without coming close to the max load. N560 will also work well with heaver bullets. Hodgdon's H4831 should also work well. It depends on what your rifle likes and what you are looking for. Is accuracy or velocity more important to you? I know we all want both.
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Old 03-13-2011, 04:49 PM
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Re: 300 WSM powders

I think i want more accuraccy than velocity but i would like to be around 3000 fps but if i had to go with 2900fps and have a 3 shot one hole group would be best
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Old 03-13-2011, 07:25 PM
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Location: pabst, wisconsin
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Re: 300 WSM powders

My savage pistol shoots 1/2" group at 200 yards with 17" brux barrel, 168gn hornady match HPBT, RE17 powder, and 2680 fps.

Last edited by grizlywinkleman; 03-13-2011 at 07:28 PM.
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  #5  
Old 03-14-2011, 11:31 AM
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Location: Great Falls, MT
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Re: 300 WSM powders

I just started playing with the Hodgdon Superformance in my 300 WSM with the 165 Accubonds. I've only loaded to the book max of 72 grains but I'm running around 3180 with 3/4 MOA accuracy out of my Tikka T3 Lite with no pressure signs.
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  #6  
Old 03-14-2011, 03:41 PM
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Location: Memphis Tn
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Re: 300 WSM powders

I was able to get an average of 3195 ft/sec with 165 Accubonds using RL-17. This load was shot out of a Winchester Model 70 and I was still one grain below the listed max for a 165 grain Speer bullet. I stopped because the load did not shoot great. I think that 3200 ft/sec can be obtained with a 165 bullet using RL-17. In fact on the Alliant web site they show over 3200 ft/sec with 68 grains of RL-17 and a 165 grain Speer bullet.
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  #7  
Old 03-17-2011, 09:47 AM
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Re: 300 WSM powders

Quote:
Originally Posted by sheepaholic View Post
I think i want more accuraccy than velocity but i would like to be around 3000 fps but if i had to go with 2900fps and have a 3 shot one hole group would be best
Here you go. This is an example of what RL17 can do for you. 200 grain Accubonds at 2885 fps. The same load is capable of 3/4" groups at 300 yards.

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