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Case resizing .270 win & 30-30 win

Discussion in 'Handloading and Reloading' started by deadeyedog270, Jan 31, 2010.

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  1. deadeyedog270

    deadeyedog270 Member

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    I have a 30-30 win lever action, and a Remington 7400 in .270 win (autoloader) my relaoding manual recomends Full case resizing on Lever action and autoloaders.

    Do I have to do a Full case resizing or can I neck size only the cases I have are fired from my guns, I have not bought my dies yet and do not want to spend more than I need to.
    I will be going with a Lee factory crimp die for them
     
  2. Ratshooter

    Ratshooter Member

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    I have loaded around 2000 30-30s with the regular Lee dies without any problems. I used a standard RCBS set for my pump 270 also without a hitch.

    You should only need small base dies when resizing brass fired in a full auto arm. I doubt that will be a problem with a 30 WCF.
     
  3. 243winxb

    243winxb Member

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    Neck sizing is not recommened for lever or autos. As far as crimping , thats a personal choice. All brass should be trimmed to the same length, +/- .001" to crimp.
     
  4. The Bushmaster

    The Bushmaster Member

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    If you load any rounds in to the tubular magazine of you lever gun they must be crimped.

    I would full length resize both the .30-30 and .270 cases until either rcmodel or Walkalong pipes in. Seems you can get away with just neck sizing as long as you only shoot them the firearm that originally fired them in the first place. I also believe that after a few firings you DO have to full length resize them again. But don't take my word for it. Wait for rcmodel or Walkalong to chime in...
     
  5. Remo-99

    Remo-99 Member

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    I would vote for full length sizing on both those rifles also, necksizing only may work for a while, but when the cases are expanded just enough to cause problems, you can bet it will happen out in the field where there ain't no tools to fix it. Sure as S#!t. ;)
     
  6. ants

    ants Member

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    Lever Action
    Full length size all lever action rifle brass.


    7400
    I full length size for my 7400 in .30-06 just for convenience. I can neck size 2 or 3 loadings before having to full length size, but I get good brass life by annealing. And furthermore there is absolutely no accuracy gain at all by neck sizing. So I simply full length and bump the shoulder slightly each time, then anneal occasionally. It works for me.
     
  7. Ratshooter

    Ratshooter Member

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    There are two reasons not to full length size. A little better accuracy and longer case life. Neither gun is a target rifle so a little less accuracy will never be noticed in a rifle used for hunting.

    The longer case life shouldn't be a factor in a hunting rifle. You can do the same thing by using loads that aren't full power. Back off a grain or two and your brass will last longer.

    The load manuals are correct. Full length size your brass.
     
  8. qajaq59

    qajaq59 Member

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    The problem with neck sizing the brass for the levers and autos is you will get away with it for quite a while. Until you absolutely need that next shot. Then it'll jam on you. Far better to FL size them. Plus the 30-30 case, at least, is so thin that is a breeze to size anyway. And you probably already know, but be sure to use flat pointed bullets in the tubular magazines.
     
  9. Walkalong

    Walkalong Moderator

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    Partial full length size the .270 to fit your gun, for a bolt gun, for good accuracy and best case life is a good idea, but for an auto loader, you will want to full length size to fit a case gauge so it will chamber easily in any .270. Bolt, auto, etc.

    Simply just neck sizing in and of its self won't gain accuracy. There is a lot more to it than that.

    The 30-30 needs to be full length sized IMHO, but you need to be careful about pushing the shoulder back too far. It headspaces on the rim, but bad things can still happen if you push the shoulder way back. Mainly very poor case life. Many sloppy (big) 30-30 chambers out there judging by posts here.

    The Bushmaster can tell you all about loading 30-30.
     
  10. rcmodel

    rcmodel Member in memoriam

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    You need to FL size for both of your guns.

    Standard FL dies will do a perfect job.

    Follow walkalongs advice for the 30-30 to FL size to headspace on the shoulder and not the rim.

    You do not need small-base dies.

    You do have to crimp for the tube magazine 30-30.

    The .270 semi-auto would probably not be necessary to crimp if it feeds without banging the bullet tips into the feed ramp and deforms them. In that case, you could get bullet set-back, and they should be crimped.
    Otherwise it is not necessary if you have proper case-neck tension.

    rc
     
  11. deadeyedog270

    deadeyedog270 Member

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    Thanks for all the info it helps so i can buy the right dies
     
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