Lee auto primer

alan self

March 30, 2009 20:34

Never though much about why you should not use federal primers in lee auto primers. But now I don't have much choice of brands of primers I can get. Is it because the federal has thiner shell ?

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  alan self

  March 30, 2009 20:34

  Hello.
  I am using my SIL's Lee primer
  with the disc to hold multiple
  primers.I'm used to an RCBS hand
  primer.I'm getting some crushed primers,
  and find it difficult to seat many primers
  in the pocket of new Winchester brass-(CCI 550)
  primers.I never had this problem before
  with my RCBS tool. Is this Lee tool defective
  or have a bad rap or is it me?
  Thanks-Rong

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  Pearyw

  March 31, 2009 05:07

  Federal primers are more sensitive than Winchester or CCI. I have loaded many thousands of Federal primers with the Lee tool without a problem.

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  220combat

  March 31, 2009 05:17

  I use what ever primers are available at the store, many are Federal, and I use Lee priming tools. No problems here.

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  Rocky Raab

  March 31, 2009 06:46

  Without getting into a dissertation about primer compounds, allow me to just state that Federal primers use a priming mix that is more susceptible to mutual detonation. That means if they are close together and one goes off, they all can - and probably will. (That's why Federal primers come in such large packages, so no two primers touch.)
  
  In ANY priming tool where primers touch, whether tray types like the Auto-Prime or tube types like on progressive presses, mass detonation of primers is a possibility. That possibility is greatly enhanced (or worsened, depending on your view) with Federal primers.
  
  The absolute prohibition printed in Lee's instruction sheets are the result of a lawsuit where somebody got hurt using Federal primers in an Auto-Prime.
  
  Federal primers are great products. But one should either use extreme caution when using them in any application where primers touch, or use them only if handled singly. It's as simple as that.

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  220combat

  March 31, 2009 10:54

  To expand on my post, and in regards to Rocky's post, I use Federal's in my hand primer, but not in the Lee Pro 1000 because there is powder direcrly above the priming mechanism on the press. Therefore, mass detonation would be magnafied with a powder supply directly above the primers.

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  JustC

  March 31, 2009 11:07

  federal is made of a softer metal. The primer "could" be ignitied if you hamm fist one that is cocked or jammed a little. I feel for the pressure as I seat them,...if one feels hard to seat, I STOP and look to determine why.
  
  You can easily tell the difference in feel when seating federal primers as opposed to other brands,..they feel much softer when seating and most of the time require much LESS pressure to seat them.

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  partisan

  March 31, 2009 12:02

  I have always used what is available without ever experiencing any problems. I honestly believe people have a favorite primer just like people have a favorite beer.

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  alan self

  March 31, 2009 18:36

  Thanks for the answers. It helps to know & where is a better place to ask.

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