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powder for 7STW

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Unread 03-31-2003, 07:29 PM
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Join Date: May 2001
Location: Lock Haven P.A.
Posts: 1,071
Re: powder for 7STW

162gr A-Max and Retumbo
Boyd Heaton...
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Unread 03-31-2003, 10:04 PM
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Join Date: Mar 2002
Location: McNeal, AZ
Posts: 368
Re: powder for 7STW

A full case in the 7 mag is right about 80 grains of wc872. With the 162 Amax's I got a stiff bolt, but about 3/4 MOA.

I switched to the 140 Nosler BT's and things were looking promising. First few loads were easily 1/2 MOA or better. But this POS factory stock seems to have warped and is now once again touching the barrel. Fliers are getting more frequent with every shot fired. [img]images/icons/mad.gif[/img]
If I can kill that coyote from here, Will you walk out to get him?
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Unread 04-01-2003, 02:20 AM
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Re: powder for 7STW

I have a 7mm stw. 34 in barrel and behind 74.5 grains of H1000 am getting 3100 fps with the Berger 180 gr.
Very good accuracy and no pressure signs. Have also used H870 up to 89 grains but didnt get group size or velocity readings but should be close to same as H1000.
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Unread 04-01-2003, 10:12 AM
dwm dwm is offline
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Join Date: Feb 2003
Location: Texas
Posts: 721
Re: powder for 7STW

Do you guys hunt with the big Bergers or any of the Bergers in general?

They seem to shoot really well, I was wondering about the performance on game.

Is it similar to the the Sierra Match Kings?

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Unread 04-01-2003, 10:58 AM
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Re: powder for 7STW

Everything I've shot with the Berger's has died.
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Unread 01-10-2004, 01:26 PM
Join Date: May 2001
Posts: 6,464
Re: powder for 7STW


How long is your barrel?

Do you know the case capacity in grains of water?

[ 01-10-2004: Message edited by: Len Backus ]
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Long Range Rifles, LLC - Ready To Ship

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Unread 01-10-2004, 01:47 PM
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Join Date: May 2001
Location: Pennsylvania
Posts: 1,757
Re: powder for 7STW

In my 7/300 Weatherby Mag. which compares almost identical to the STW case capacity, I use 87 Grs of WC-872 and the 162 Hornady match or the 168 Gr Sierra MK.
Great hunting loads.

Shoots extremely well from the 30" barrel

Darryl Cassel
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