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powder for VLD 190 gr in 300WM

 
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  #1  
Old 09-01-2013, 04:19 PM
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powder for VLD 190 gr in 300WM

I want to try some 190 grain Berger VLDs in my 300 win mag with a 26" barrel. I've got H1000, IMR4350, IMR4831 and IMR4320. I'm using WLRM primers and Norma brass. I can't load very close to the lands because of the blasted ejector on my Winchester model 70. Which 1 or 2 powders would you start with?
Thanks.
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Old 09-01-2013, 04:55 PM
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Re: powder for VLD 190 gr in 300WM

H-1000 or H-4831 Note the H.

Jeff
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Old 09-01-2013, 05:30 PM
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Re: powder for VLD 190 gr in 300WM

H1000 works very well...
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Old 09-02-2013, 07:15 AM
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Re: powder for VLD 190 gr in 300WM

H-1000 may turn up some good accuracy, but my rifle found it hard to digest on changing days in regard to weather, it also exhibited changing velocities day to day. Looked good to start with, but fluctuated too much for me to continue with it.
I got my very best results with RE25, in accuracy and velocity, the velocity was an eye opener, by far faster than any other powder I tested and the most consistent. I had ES's of 8 with 208gr A-max's and ES' s of 11 with Nosler 190gr HPBT's.
If you can get some, give RE25 a try, you may be surprised with it's accuracy.

Cheers.
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Old 09-02-2013, 09:15 AM
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Re: powder for VLD 190 gr in 300WM

H1000 none better
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Old 09-02-2013, 12:37 PM
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Re: powder for VLD 190 gr in 300WM

Quote:
Originally Posted by MagnumManiac View Post
H-1000 may turn up some good accuracy, but my rifle found it hard to digest on changing days in regard to weather, it also exhibited changing velocities day to day. Looked good to start with, but fluctuated too much for me to continue with it.
Interesting results. Exactly 100% opposite from what I find with H-1000.

May I ask your brand of chronograph used?

Thanks
Jeff
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Old 09-02-2013, 03:24 PM
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Re: powder for VLD 190 gr in 300WM

Quote:
Originally Posted by dmax1800 View Post
I want to try some 190 grain Berger VLDs in my 300 win mag with a 26" barrel. I've got H1000, IMR4350, IMR4831 and IMR4320. I'm using WLRM primers and Norma brass. I can't load very close to the lands because of the blasted ejector on my Winchester model 70. Which 1 or 2 powders would you start with?
Thanks.
If it were me, and I had to choose from what I had: IMR4831.

I believe your better choice is IMR7828 but that's what I like in long skinny magnums like 300WM.

As for COAL vs lands. Berger gives some guidance on this now. The 'rule' was .010 into the lands and that worked for me on my first VLD load exactally as predicted.

now

Berger has issued guidance that has suggestions of .010 off, .040 off, .080 off and .120 off but check that. It's posted on this web site here: Getting the Best Precision and Accuracy from Berger VLD bullets in Your Rifle
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