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RE: 7mm STW Accumark

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Unread 09-30-2008, 12:05 AM
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Join Date: May 2006
Posts: 303
Re: 7mm STW Accumark

Originally Posted by baldhunter View Post
The 7mm STW is an awesome round.I have a heavy barrel Sendero and it's quite pleasant to shoot without a muzzle brake.I am using Winchester WXR powder in mine.I use 80.0grs,Win. Large Rifle Primer,150gr bullet=3450fps on the chronograph,no pressure signs and 1/2" groups.This powder is double base and made in Sweden.Reloader 22 is also double based and made in Sweden,may even be by the same company.They seem to be loaded very similar,I have some loaded with Reloader 22 to try out,just haven't made it to the range yet.I also had excellent groups too with 82.0grs. of H-1000 at 3226fps with 150gr bullet and 81.0grs. of IMR-7828@ 3244fps with a 150gr bullet.If you don't have a chronograph,I'd get one,they sure are a good tool when working up your loads.
What type of bullet?
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Unread 09-30-2008, 04:42 AM
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Join Date: Jun 2008
Location: Texas
Posts: 446
Re: 7mm STW Accumark

Originally Posted by Blacktail View Post
What type of bullet?
Winchester Power [Points and Nosler Solid Base.
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Unread 09-30-2008, 12:09 PM
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Join Date: Mar 2002
Location: Wyoming
Posts: 2,612
Re: 7mm STW Accumark

I have a wby mk v 7 stw and 140 grain remington factory loads shoot 3469 out of it with half inch groups. I can better that with handloads in either that rifle or one of my three custom 7 stw's. It and the 7mm-300 wby are very good rounds with excellent accuracy and performance.
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