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Reduced Velocity 300 Win Mag Loads

 
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  #1  
Old 10-04-2012, 01:36 PM
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Reduced Velocity 300 Win Mag Loads

I plan on loading some reduced loads for my brothers 300 win mag. I am aiming for 30-06 velocities with 165 bullets and have Retumbo, H4350, and H4831 available. Have any of you tried this and should I use magnum or standard primers.

Thanks for any advice.
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  #2  
Old 10-04-2012, 05:12 PM
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Re: Reduced Velocity 300 Win Mag Loads

I am loading some reduced loads for mine. It is a 700 Milspec 5R with 26"barrel.
The load is Winchester brass, Federal 215 primer, and 180 gr. Accubond with 65 grs. H4831. This is a very accurate load in my rifle, but haven't chronoed it.
I will use it for hunting whitetails here in Georgia.
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Old 10-04-2012, 05:54 PM
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Re: Reduced Velocity 300 Win Mag Loads

We've used win 760 with slightly reduced loads in the 300 with 165's with good results, I see no reason why start loads of 4350 or 4831 won't work well too. I'd keep the bullet weight up; I fooled around with lighter loads with 125's this spring in my 300 win(had them around and wanted holes in paper) and I got partly collapsed cases and poor accuracy with 4895 and 4320. I went with slower powder(rl19) and it was fine with 125's.
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Old 10-05-2012, 07:27 AM
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Re: Reduced Velocity 300 Win Mag Loads

Thanks for the information. The rifle is a Thompson Center Encore which is primarily used for whitetails at close range. The amount of meat damage is dramatic to say the least so we hope to find an accurate, mild load to help reduce the amount of loss. Has anyone experimented with magnum vs. standard primers?
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Old 10-05-2012, 08:05 AM
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Re: Reduced Velocity 300 Win Mag Loads

Using the wrong powder in reduced quantities can be dangerous. Hodgdon recommends H4895 because it ignites evenly in reduced loads. You can reduce their H4895 maximum recommended loads by 40%.
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Old 10-05-2012, 08:10 AM
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Re: Reduced Velocity 300 Win Mag Loads

I understand that. I plan on using the listed starting loads for the powders listed above. Has anyone tried Retumbo for the 165gr bullets in 300 mag? Its not listed by Hodgdon until you get to 200+ grain bullets.
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Old 10-05-2012, 10:25 AM
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Re: Reduced Velocity 300 Win Mag Loads

Quote:
Originally Posted by aggie99 View Post
I understand that. I plan on using the listed starting loads for the powders listed above. Has anyone tried Retumbo for the 165gr bullets in 300 mag? Its not listed by Hodgdon until you get to 200+ grain bullets.
I don't think you understand.

You shouldn't use the powders listed above.

You should use H4895 powder and listed maximum loads for H4895 as a baseline.
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