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Rifles, Bullets, Barrels & Ballistics Applied Ballistics



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Unread 05-21-2009, 11:41 AM
Silver Member
Join Date: Oct 2006
Posts: 168

I use Federal Gold Medal Match primers #215m in my .300 win. As we all know finding primers is a real challenge lately. A gun shop near by has some #215 in stock, which I am thinking of buying. If I change over to the #215 from the #215m will the change in primer have an effect on my group and velocity?
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Unread 05-21-2009, 12:27 PM
JEREMY logan
Posts: n/a
Re: Primers

What i can tell you is only hear say ! I use the 215m also but i found some 215 i ask a friend of mine if he has used both and he said yes and he could not tell the difference in his groups ..
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Unread 05-22-2009, 12:38 AM
Gold Member
Join Date: Feb 2008
Location: Sonoma County, CA
Posts: 827
Re: Primers

I would drop my charge a bit and work back up checking for pressure signs and chronographing if available. As hard as primers are to find, you should probably pick some of those up. Just what you need though, that way you'll save some for your shootin buddies.
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Unread 05-22-2009, 03:03 PM
Silver Member
Join Date: Jun 2006
Location: Memphis, TN. Soon to be Casper, WY.
Posts: 494
Re: Primers

I don't think you'll be able to tell the difference.
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Unread 05-22-2009, 09:50 PM
Platinum Member
Join Date: Jun 2007
Location: Wilmington NC
Posts: 4,777
Re: Primers

At this stage of the primer shortage, buy them and reshoot your loads after dropping down a little bit. See if the groups, SD and ES is similary.

I ahve seen it stay the same and I have seen it change radically, so no rule as to what will happen.

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