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Thread: More 270 Win Loads

  1. #31
    Sending it Gibo's Avatar
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    Quote Originally Posted by Mooseman View Post
    From what I have been told it is temperature sensitive. Also the load data I used was derived from the At 2213 SC load. Superformance is rated one slower burn rate than 2213 SC so if you load as for 2213 SC you should be fine. As with any reloading it pays to work up to max loads.
    Superformance should work fine in any caliber that uses 2213 SC but just be aware that summer temperatures may rise your pressures. Should work well in 270WSM.
    It will surprise you in the 260 too
    Werawhakaui?

    Rule 4. Identify your target beyond all doubt.

  2. #32
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    Hay Gibo you are right, we did a few test loads in Beeman's 260 yesterday and easily reached just over 2800 fps with no pressure signs with the 143 gr ELD-X. I think we are going to use 2209 until current supply is finished then may look at developing a load for it using Superformance. ( 45grs of AR 2209 in Kevin's 260 get about 2770 fps )
    Gibo likes this.

  3. #33
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    Impressive velocities Mooseman, where'd you get the load data?

    On a side note, anyone had luck with the 150gr LRAB's?

  4. #34
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    Quote Originally Posted by mawzer308 View Post
    Impressive velocities Mooseman, where'd you get the load data?

    On a side note, anyone had luck with the 150gr LRAB's?
    Yeah been using them for a couple of years now, did a couple of trips last week bombing up goats out to 700m with my newly acquired FFP scope. Still have 1000f/lb energy at that distance too, not bad of an old 270win.

  5. #35
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    mawzer308 I used data for the AR 2213 SC loads. Superformance is next on the burn rate chart after AR 2213 SC so use 2213 SC max loads as a guide. Start lower and work up to your desired. safe load.
    Carlsen Highway and mawzer308 like this.

  6. #36
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    Okay that's a good approach, thanks.
    Put the keyboard down. Now kick it over here.

  7. #37
    Member ANTSMAN's Avatar
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    so this powder should do well in 7rmag? anyone tried? anyone have any temp sensitive field info to report with this powder?
    Rule 4: Identify your target beyond all doubt

  8. #38
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    FYI: Barnes publish some superformance load data for the 270 and their projectiles.

    https://barnesbullets.com/files/2017...sterForWeb.pdf

  9. #39
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    Hi Mooseman - this load looks really interesting. Hope you dont mind a couple of questions?!

    Im shooting a sako 75 270win, so not too different to your Tikka.. Did you work up the load from smaller powder size // have you got any data on accuracy vs load you would mind sharing?

    thanks for your help - I've got the powder / projectiles and looking fwd to getting this going.
    Andy

  10. #40
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    What I did was checked the max load for AR 2213 SC (H4831) which in the Hornady 10th edition is 59.9grs and decided that 57 grs was good to start with so loaded some up and shot them.
    I may have just got lucky as the load is fast and very accurate so I aren't going to change it any.
    If I was you I would do the same, pick a charge weight below the max for AR 2213 SC ( which by the way in the ADI book is just under 56grs for a Max load) that you are happy with and load a few rounds at different charge weights going up in .5 grain increments and find the velocity and accuracy you are happy with.
    The load in the Hornady book of 59.9 grs is for the 145 gr ELD X bullet so that should be your safe max. Just remember this powder( superformance) can be affected by extremes in temperature, how much I am unsure of.

 

 

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