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Modified RCBS Hand Primer Good or Bad?

Discussion in 'Handloading and Reloading' started by Timothy, Jan 7, 2003.

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  1. Timothy

    Timothy Member

    Dec 27, 2002
    For what it’s worth:

    When I started reloading several years ago I used an RCBS hand primer and have used it ever since.
    Being new then and overcautious, as I guess it is good to be, I was uneasy about seating primers too deep (actually about adding pressure after the primer had traveled as far as it could). I don’t know if it could happen or not, but I had this fear of one exploding.
    What I did was seat a primer properly and then I measured the travel the handle had remaining before it stopped against the body of the hand primer. I converted this measurement into an equal number of ¼†flat washers. Then I placed the stack of flat washers on the safety blade between the handle and the body. Now I just squeeze the handle until it will go no further and “presto†they are all seated uniformly. Given the existence of un-uniform primer pockets it seems like it shouldn’t work 100% of the time but so far it has.

    Good idea or not?
  2. Nero Steptoe

    Nero Steptoe member

    Dec 30, 2002
    Not, for the reason that you provided.
  3. Mal H

    Mal H Administrator

    Dec 20, 2002
    Somewhere in the woods of Northern VA
    I don't think your engineering change is necessary. I've used the RCBS hand tool for a long time also and just squeeze the handle until the projection touches the tool body. I've not had a problem with any type of primer or cartridge, and no primer has ever gone off.

    I am a graduate of the Lee Hand Loader, so I have had primers go off when "seating" them (read: banging on them with a hammer until they go in !! ). Folks, it ain't the end of the world. Sure it's loud, but with the proper precautions, you won't be hurt. I use the same precautions with a hand priming tool now as I did then, namely always wear safety glasses and always point the cartridge away from you when seating a primer.
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