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7mm STW Help

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Unread 02-11-2014, 05:08 PM
Bronze Member
Join Date: Sep 2012
Posts: 41
7mm STW Help

I own a NIB Weatherby Mark V Accumark 7mm STW which has had a trigger job, and a H-H Precision Deseret Camo stock beaded and installed. I have a Zeiss Diavari VM/V 5-15x42T mounted on the STW with Leupold QR mounts and rings. The original H-S Precision Spider Web stock was sold to my hunting partner for his Weatherby Mark V Semi-Custom rifle in .340 Wby. Mag.

Will someone please share some data for the 7mm STW using VihtaVuori N570. I still have to break in the rifle , and see how the rifle preforms. All data for all approriate bullet weights using N570 will be appreciated. Thank you, and good luck.
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Unread 02-11-2014, 08:27 PM
Platinum Member
Join Date: May 2012
Posts: 4,242
Re: 7mm STW Help

Products - Lapua

this data is for the 7rum.... The powder looks like it is similar to Retumbo... I'd cut 7stw Retumbo charges down 15% and work up to vel. on a chrono. Watch your pressure signs of course and use brass that has been fire formed in your rifle.
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