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Reloading Berger Bullets


Reloading help for .270 Win

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Unread 10-03-2012, 11:16 PM
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Join Date: Dec 2008
Location: Great Falls, MT
Posts: 9,807
Re: Reloading help for .270 Win

Originally Posted by John Galt View Post
Please explain "velocity spreads"..........What is the barrel twist on the 165/175 grain Matrix VLD's?

Matrix recommends 1:9 for 165gr and 1:8 for the 175gr. I have a 30" barrel with 1:8 and getting these results while fire-forming brass to AIs:

165gr = 2981 FPS, SD = 17 FPS

175gr = 2919, SD = 16 FPS

see post #10 of My budget .270 AI ...

I use this to calculate my SD ...

Standard Deviation Calculator

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Unread 10-05-2012, 04:57 PM
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Join Date: Apr 2012
Location: Michigan's Upper Peninsula
Posts: 35
Re: Reloading help for .270 Win

Ruger M77 tang safety in .270 has been "my" rifle since 1980. Only modification was a Ramline stock many years ago. Worked up so many load combinations that shot well I have to look in my records to recall them all. What I am loading now is: 140 Accubonds; SST's; and Ballistic Tips with 57.5 grains of IMR 4831; Winchester cases; BR-2 primers. 3090 fps with the AB's. .75 and smaller groups always.
I've been loading 150 VLD hunting bullets with 53.2 of IMR 4831 with outstanding accuracy for my rifle. Sub .5 groups @ 100 yds and less than 1 MOA @ 300. Same bullet with Reloader 22 with similar results. I have a crop damage permit to fill and will test this bullet's performance at the 300 yd distance on a sufficiently old and fat whitetail doe. I'm told I shouldn't expect to employ any tracking skills after the shot if I do my part.
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Unread 10-06-2012, 07:37 PM
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Join Date: May 2012
Posts: 4,267
Re: Reloading help for .270 Win

54 grains rl17 and a 130 nos bt is a 1" load at 200 yds in my tikka at standard oal.(3.34") and with 130 sierra's it's 60 rl22. For a 150 hornady I'm using 56.5 grain 7828(long cut not Super Short Crap). I just dumped a .4" 100 yard group with the 150's out of my Marlin 270 today, and that rifle isn't as good as my Tikka. I use wrl or wlrm in the 270, just work up loads with the intended primer to start with.
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Unread 10-06-2012, 07:50 PM
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Join Date: May 2012
Posts: 4,267
Re: Reloading help for .270 Win

mooskiller99 is right, the 270 isn't that hard to find a good combo for. Any medium slow powder and good bullet should work pretty dang well. Everyone has their own "pet load" for this one.
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