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270 WSM 165gr VLD load help

 
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  #8  
Old 04-15-2011, 04:01 PM
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Re: 270 WSM 165gr VLD load help

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Originally Posted by AlexF View Post
I've heard many negative comments about Retumbo: it shoots well when it's hot or when it's cold but not in between, sometimes there are fliers...
Is Retumbo a good accuracy powder? I don't care much about muzzle velocity since higher velocity equals greater recoil, but will take any "free" velocity if it comes with accuracy.
I've had good accuracy and velocity with Retumbo and it seems to be quite temp consistent as well. I have never heard of erratic behavior at normal temps and good at both extremes? I would be somewhat doubtful of that......Rich
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  #9  
Old 04-15-2011, 06:40 PM
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Re: 270 WSM 165gr VLD load help

I've had great accuracy with Retumbo, very low ES, excellent velocity and no POI change in temps from -30 to 90 plus. The only down side I've experienced is it is sooty. I get fliers with it if I used CCI primers but Fed 215's got rid of them!

That said if you don't want recoil Retumbo may not be good, everything I've loaded it in you end up filling the case with it, velocity = recoil. I use a brake on my 270 WSM and I don't worry about recoil just ranging and reading the wind.
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Old 04-15-2011, 07:04 PM
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Re: 270 WSM 165gr VLD load help

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Originally Posted by bigngreen View Post
I've had great accuracy with Retumbo, very low ES, excellent velocity and no POI change in temps from -30 to 90 plus. The only down side I've experienced is it is sooty. I get fliers with it if I used CCI primers but Fed 215's got rid of them!

That said if you don't want recoil Retumbo may not be good, everything I've loaded it in you end up filling the case with it, velocity = recoil. I use a brake on my 270 WSM and I don't worry about recoil just ranging and reading the wind.
Thanks, that was I expected: most of my shooting/hunting buddies are farmers who are great shooters and hunters but always try to save money on reloading components but never on rifle or scopes!
I noticed that both Sierra Reloading Manual #5 and Weatherby recommends Federal 215M for large overbore magnums to insure that the full powder load is ignited.
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  #11  
Old 04-19-2011, 04:25 AM
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Re: 270 WSM 165gr VLD load help

Any idea who would cut a 1-9 twist .277 barrel?
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  #12  
Old 04-19-2011, 06:39 AM
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Re: 270 WSM 165gr VLD load help

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Originally Posted by noneck180 View Post
Any idea who would cut a 1-9 twist .277 barrel?
I too think an 8 twist for the 277 would be perfect!
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Old 04-19-2011, 08:17 AM
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Re: 270 WSM 165gr VLD load help

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Originally Posted by noneck180 View Post
Any idea who would cut a 1-9 twist .277 barrel?
Any of the cut rifle barrel manufactures should be able to cut what ever twist you want. At one time Mcgowen offered a buttoned rifle barrel in 1-9 but I haven't seen it as an option for a year or so.

The 1-10 at my elevation (5612, 40*) with the 165 Matrix has a Miller stability factor of 1.49 and in a 1-9 twist a factor of 1.84 and the 1-8 a 2.33.
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  #14  
Old 04-19-2011, 09:33 AM
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Re: 270 WSM 165gr VLD load help

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Originally Posted by noneck180 View Post
Any idea who would cut a 1-9 twist .277 barrel?
Bartlein will cut 9.001 if you want it and even do it in a GAIN twist......Rich
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