just fired my first loads with the cow method of fire forming

Discussion in 'Reloading' started by b00mer, Jul 22, 2008.

  1. b00mer

    b00mer Well-Known Member

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    Well be a stubborn butt about trying this method......
    well duh! should have done this long time ago and saved all my bullets .....

    Fired 3.5 grains of bullseye with grits, and toilet paper to perfectly form 7x30 waters from 30-30 brass.
    out of 35 rounds , I lost one piece of remington brass and it was a little tarnished when it came out of tumbler. It split right at the end of the neck.
    But they formed great, then neck sized and ready to load with 120 hornady v-max
     
  2. royinidaho

    royinidaho Writers Guild

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    neener, neener, neener;)
     

  3. mjbine

    mjbine Active Member

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    I will be doing the same

    I am doing cow this weekend for my 243ai. Get way to save barrel life.
     
  4. Boss Hoss

    Boss Hoss Well-Known Member

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    Done over 10k filling between 60 to 70 % with bullseye --- takes a lot less time plus perfect cases.
     
  5. Tyler Kemp

    Tyler Kemp SPONSOR

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    It seemed to take a long time for me to get the COW fireforming cases ready. I'd rather just use a medium load in the parent case.
     
  6. MagMan

    MagMan Well-Known Member

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    Tyler, Boss Hoss's way is a much easier way to do it though you do go through more powder but Bullseye is pretty cheap.

    I did 50 243AI's the other day using this method and didn't use any wax or TP. It was as easy as dumping powder into the case and firing towards the sky. Perfectly formed every time.
     
  7. b00mer

    b00mer Well-Known Member

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    what do you use to keep powder in?
    that is a factor with a contender.



     
  8. Tyler Kemp

    Tyler Kemp SPONSOR

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    My way was about 11 grains Unique, COW, toilet paper in the neck, then a wax plug. Took about 2 minutes per cartridge. Not fun. And shoulders were still a bit rounded.