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Reloading help for .270 Win

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  #15  
Unread 09-26-2012, 07:07 PM
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Re: Reloading help for .270 Win

Happy to see the interest and use of the 270 Win cartridge.

It's a good one!!!

I've shot one for 45 years. Rebarrelled after about 35 years.

Favorite powders for 130 and up offerings:

4831 - Least favorite - Lacked velocity in my rifle
4350 - Too hot for maintaining 3200 FPS but used it for decades. About 20 shots per case.
N205 (The very best powder for Vel and Accuracy)
RL-22 - Same as N205 with a ton less quality control, so I hear. Loose 130 FPS MV from summer to less than 20*F winter. However, this didn't seem to make much difference in harvest success out to 500 yards or so. @ 650 and beyond it wouldn't work, I'd think.

7828ssc for 150s

Used same charge weights for Nosler 130 & 140 and Berger 140 VLDs. Velocity is right at 3200 for these bullets.

For light bullets I shot only the Sierra 90gr Hp. 54.5 of 4895 gave 3400 FPS.

Average accuracy was .75 MOA until I replaced the circa 1966 Douglas Premium with a 27" Lilja. Expected accuracy is now under .5 MOA.
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  •   #16  
    Unread 09-27-2012, 08:29 AM
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    Join Date: Aug 2011
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    Re: Reloading help for .270 Win

    Winchester cases
    Federal 210's
    130g Partition
    60.2g H4831sc
    1/2" MOA
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      #17  
    Unread 09-27-2012, 07:45 PM
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    Join Date: Dec 2011
    Location: Pike County, Arkansas
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    Re: Reloading help for .270 Win

    Quote:
    Originally Posted by royinidaho View Post
    Happy to see the interest and use of the 270 Win cartridge.

    It's a good one!!!

    I've shot one for 45 years. Rebarrelled after about 35 years.

    Favorite powders for 130 and up offerings:

    4831 - Least favorite - Lacked velocity in my rifle
    4350 - Too hot for maintaining 3200 FPS but used it for decades. About 20 shots per case.
    N205 (The very best powder for Vel and Accuracy)
    RL-22 - Same as N205 with a ton less quality control, so I hear. Loose 130 FPS MV from summer to less than 20*F winter. However, this didn't seem to make much difference in harvest success out to 500 yards or so. @ 650 and beyond it wouldn't work, I'd think.

    7828ssc for 150s

    Used same charge weights for Nosler 130 & 140 and Berger 140 VLDs. Velocity is right at 3200 for these bullets.

    For light bullets I shot only the Sierra 90gr Hp. 54.5 of 4895 gave 3400 FPS.

    Average accuracy was .75 MOA until I replaced the circa 1966 Douglas Premium with a 27" Lilja. Expected accuracy is now under .5 MOA.
    Great post! I too love the .270 and will be buying a lb of the N205 to try.
    Thanks for the information.
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      #18  
    Unread 09-27-2012, 10:41 PM
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    Join Date: Sep 2010
    Location: Houston
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    Re: Reloading help for .270 Win

    Much the same here...

    Started with RL-22 and it was great all around, except that it had a very wide velocity spread depending upon temp. Tried H4350 for awhile without a lot of success, then went to H4831sc, and that has been great. Need to be able to load a little more powder than with RL-22 but very consistent and equally excellent accuracy.

    Started with Nos 130 Accubonds and have switched to the 140 Accubonds since last season. it has worked great on the range and sure has stronger long range perfromance upon the balistic charts, largely due to higher BC.

    Also use Fed210M primers and Norma brass which is great on the first load right out of the box
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      #19  
    Unread 10-02-2012, 10:39 PM
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    Join Date: Sep 2011
    Location: Los Lunas, NM
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    Re: Reloading help for .270 Win

    The favorite load for my .270's is 48 grains (I think) IMR 4064 with 130 grain Nosler Partitions. This load has taken mulies out to 500 yards with no problems. Good hunting accuracy as these are hunting rifles and they give me 1" at 100 yards and me being the limiting factor I get 6"-7" groups at 500 from a solid rest.
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      #20  
    Unread 10-03-2012, 09:10 AM
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    Join Date: May 2012
    Location: Texas
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    Re: Reloading help for .270 Win

    I have used most listed, and I also use my rifles in extreme temp changes....I have had great success with Ramshot Magnum and standard primers in a couple of my other rifles ( 6-284 & 6.8 SPC). It 's extremely stable in a wide temp spread....

    I'm going to work up a few loads for my 270 soon but it's a few down on my queue.....


    Just depends how much you want to experiment.....
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      #21  
    Unread 10-03-2012, 09:27 AM
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    Join Date: Apr 2012
    Location: The cold part of Montana
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    Re: Reloading help for .270 Win

    Quote:
    Originally Posted by FUBAR View Post
    I have used most listed, and I also use my rifles in extreme temp changes....I have had great success with Ramshot Magnum and standard primers in a couple of my other rifles ( 6-284 & 6.8 SPC). It 's extremely stable in a wide temp spread....
    I have been wanting to hear about that in regards to Magnum! thanks
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