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300 WSM - Powder

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Old 03-06-2006, 02:02 AM
Junior Member
Join Date: Mar 2006
Posts: 3
300 WSM - Powder

I have just bought a Nesika 300WSM with a 26" barrel, I have had the rifle built to shoot 185 grain Berger VLD bullets and was wondering if anybody could recommend which powder to use for the best results. I have been told on other forums that Reloader 22 is a good choice. Any comments would be great help.
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Old 03-06-2006, 06:54 AM
Platinum Member
Join Date: Dec 2001
Location: Winterville, NC
Posts: 1,469
Re: 300 WSM - Powder

I have, in the past, loaded the 165gr Nosler Ballistic Tip for a hunting buddy. His Browning A-bolt in .300WSM liked 69.0gr of RL22 sparked by the Rem 9.5M primer. That little rifle kicked the dog $#!^ outta me everytime I squeezed the trigger. This load ran .5". He was very pleased with this accuracy and I was more than happy to give him the rifle back! Johnny K.
"If we ever forget that we are One Nation Under God, then we will be a Nation gone under."

- Ronald Reagan

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Old 03-07-2006, 01:54 AM
Junior Member
Join Date: Mar 2006
Posts: 3
Re: 300 WSM - Powder

Johnny K
Thanks for that, .5 groups sounds good. I am not that concerned about the recoil all though she has got a little bit of bite.
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Old 03-07-2006, 06:49 AM
Platinum Member
Join Date: Jun 2007
Location: Fredericksburg VA
Posts: 4,058
Re: 300 WSM - Powder

IMO RL22 is too temp and lot variance sensititve. I try to stay away from it anymore.

I have had very good luck with H4350 and MRP in my WSMs.

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Old 03-07-2006, 03:20 PM
Silver Member
Join Date: Mar 2005
Location: Boise, Idaho
Posts: 148
Re: 300 WSM - Powder

Take a hard look at magpro. Its was designed just for the short mags.
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Old 03-07-2006, 03:28 PM
Silver Member
Join Date: Sep 2003
Posts: 347
Re: 300 WSM - Powder

I agree try mag-pro. I won't shoot any reloader powder after some real problems with lot to lot problems. I have found just about anything that worked with RL22 works better with 7828 ssc and little more speed to boot. I know 7828 ssc works great in 7 wsms.
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Old 03-08-2006, 07:35 AM
Junior Member
Join Date: Mar 2006
Posts: 3
Re: 300 WSM - Powder

Thanks guys for your replies
I will have a look at magpro and give it a try
Who manufactures the other powder which was mentioned (7828ssc)?
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