  | Favorite powder for the 300WM? |
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01-31-2006, 08:53 PM
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Silver Member
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Join Date: Jul 2004
Location: Upland, CA
Posts: 423
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Re: Favorite powder for the 300WM?
regarding the magnum primer question. I have always used Win. large rifle 8½ primers in my 300WinMag. I think that in some cases, a magnum primer works against slower propellants.
Good hunting. LB
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02-01-2006, 07:50 AM
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Platinum Member
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Join Date: Jun 2007
Location: Fredericksburg VA
Posts: 3,843
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Re: Favorite powder for the 300WM?
Chrono will tell you why. Normally much higher ES and SD with magnum primers vs standard.
Just because the case is a magnum does not always mean it is better to use magnum primers.
Another reason why a chrono is an essential tool for extreme accuracy. Helps separate truth from "assumptions".
BH
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02-01-2006, 08:30 AM
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Platinum Member
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Join Date: Jan 2004
Location: Blackfoot, Idaho
Posts: 7,492
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Re: Favorite powder for the 300WM?
[ QUOTE ]
Just because the case is a magnum does not always mean it is better to use magnum primers.
[/ QUOTE ]
My information seems to be trending in that direction also.
__________________
AKA - the guy who knows the guy who will be heralded as the man who kept elk from extinction. 
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02-01-2006, 06:11 PM
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Platinum Member
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Join Date: Jun 2007
Location: west of Little Rock ,Ark.
Posts: 1,271
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Re: Favorite powder for the 300WM?
[ QUOTE ]
I have used H4831 forever, still puts 5 into 3/4ths inch groups. If I was starting out, I would have to try R22.
Good hunting. LB
[/ QUOTE ]
.750 at what distance ?
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02-01-2006, 06:29 PM
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Platinum Member
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Join Date: Jun 2007
Location: west of Little Rock ,Ark.
Posts: 1,271
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Re: Favorite powder for the 300WM?
Actionshooter , hey guy ,
I really don't know what is my favorite powder at this point and I have been at it on this caliber for a little over a year . By that I mean using the techniques and tips gleaned from this site and some others .
I have tried h1000, rl 22, h4831 , h4350, 190 smks , 210 wc's , 220 smks . Out to as far as 875 yds.
Tests are not finished and they are not conclusive but the most accurate load so far is re22 73.2 grs. under a 190 smk. That may be about to change as a load using the 210 gr wildcats and 78.8 gr. h1000 is poised to kick some but in the accuracy annd velocity department . Down range figures look to surpass my 220 smk over a charge of 75 grs of h1000@ 2800 fps .
Daaaang !! [img]/ubbthreads/images/graemlins/laugh.gif[/img] [img]/ubbthreads/images/graemlins/cool.gif[/img] [img]/ubbthreads/images/graemlins/grin.gif[/img] , well anyway , thats alll at this point but I'm working daily to come up with more data .
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02-01-2006, 06:38 PM
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Platinum Member
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Join Date: Jun 2007
Location: west of Little Rock ,Ark.
Posts: 1,271
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Re: Favorite powder for the 300WM?
BH,
What std primer would be your choice for the 300 winnie or is it a " try'em all" proposition ?
Thanks , Jim
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02-01-2006, 07:28 PM
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Gold Member
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Join Date: Jan 2005
Location: Western MI
Posts: 705
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Re: Favorite powder for the 300WM?
RL22 and Federal GM215M primers.
Regards,
JD338
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