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Reloading Berger Bullets


7mm STW

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Unread 04-22-2010, 08:54 AM
Junior Member
Join Date: Jun 2009
Posts: 2
7mm STW

Hello... This is a new round to me as I picked up a Weatherby Accumark in it. I have tried some factory Nosler Accubond loads with a velocity of 3305 and good accuracy but would like to try and find some loads with H1000 or IMR 7828 as I have that powder on hand. Does anybody have any suggestions for this caliber? Would like to hear some experience with it as I said it is a new one to me and I am in the schooling mode for it. The deal could not be passed up. Any info would be appreciated.
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Unread 04-22-2010, 12:12 PM
Platinum Member
Join Date: Mar 2002
Location: Wyoming
Posts: 2,612
Re: 7mm STW

The best accuracy load with mine using 7828 powder is 82 Grains with a 162 hornady traveling 3349 fps. Start about 3 grains lower and work up. This is a 26" barrel. With a 140 grain bullet 85 grains going 3547 fps.
Predictions are difficult, especially when they involve the future
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Unread 04-22-2010, 01:08 PM
Gold Member
Join Date: Apr 2010
Location: NW Mt.
Posts: 599
Re: 7mm STW

I load the 162 hornady also with h1000. I only have a 24.5 inch barrel on a 5.5 lb
gun so my speeds suffer with the h1000. 3000 fps is all it puts out. But the accuracy
is phenomenal so I leave it alone. A little faster powder would do better for speed in
my shorter barrel as would a lighter bullet but it is a big game gun.
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