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Wtb stw brass

 
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  #22  
Old 11-26-2013, 11:18 PM
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Join Date: Aug 2012
Location: oklahoma
Posts: 27
Re: Wtb stw brass

I finally got back by that little GS and sure enough he had two boxes of Winchester 150 gr PSP in 7STW. I bought both boxes $33.99 per box. Any one know what powder Win uses? I plan to pull the bullets and reload with Sciroccco or Barnes 150's





Weatherby Mark V 7mm STW
Steiner Predator Extreme 3x12x56
Winchester Model 70 Classic SS 7 mm STW
Zeiss Conquest 4.5x14x50 TT
Weatherby Mark V 240 Wby Mag
Minox 3x15x42
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  #23  
Old 11-27-2013, 01:53 AM
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Join Date: May 2012
Location: N.D.
Posts: 2,997
Re: Wtb stw brass

Quote:
Originally Posted by Kado101 View Post
I finally got back by that little GS and sure enough he had two boxes of Winchester 150 gr PSP in 7STW. I bought both boxes $33.99 per box. Any one know what powder Win uses? I plan to pull the bullets and reload with Sciroccco or Barnes 150's





Weatherby Mark V 7mm STW
Steiner Predator Extreme 3x12x56
Winchester Model 70 Classic SS 7 mm STW
Zeiss Conquest 4.5x14x50 TT
Weatherby Mark V 240 Wby Mag
Minox 3x15x42
Not sure but it's slow burning ball stuff (probably a variant of 780 or similar)and it produced rather high pressures over the pressure trace I had on my stw. You are probably correct to dump the powder and load a pet load in your brass.
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  #24  
Old 11-27-2013, 09:00 AM
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Join Date: Jun 2008
Location: Texas
Posts: 351
Re: Wtb stw brass

In 2008 I was able to duplicate the Winchester factory load 150gr PP.I pulled the bullet,weighed the charge,did some research and came up with Winchester WXR.The sad news is the powder has been discontinued.The good news is I've been able to achieve nearly identical results with Reloader-22 and Win Supreme 780.I've loaded all three powders at the same charge weight and have seen very little difference in the way the group and the velocities are nearly identical.
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  #25  
Old 11-28-2013, 10:40 PM
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Join Date: Aug 2012
Location: oklahoma
Posts: 27
Re: Wtb stw brass

Thanks, I think I will eventually pull the bullets and dump the powder and replace with 7828 or RL 25. One of my STW's likes 7828 and the other likes RL 25








Weatherby Mark V 7mm STW
Steiner Predator Extreme 3x12x56
Winchester Model 70 Classic SS 7 mm STW
Zeiss Conquest 4.5x14x50 TT
Weatherby Mark V 240 Wby Mag
Minox 3x15x42
Reply With Quote
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