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Question on neck sizing

Discussion in 'Handloading and Reloading' started by archer1214, Nov 4, 2011.

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  1. archer1214

    archer1214 Member

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    Ok, I have read the other posts,mainly the one about neck tension on .223 bullets loaded for AR's. It all made sense to me ,so I checked the expander ball dia. on my die and it measured .224. OK,so I took it out and chucked it up in my drill press and proceeded to sand in down using fine grit paper on a tounge depressor . Worked it till I got down to .218 and figured that's enough. So I sized 50 brass then checked the length,some need to be trimmed. Only thing is, the pilot bushing on my RCBS trimmer is .224,lol :banghead:. So I'm guessing I need to work that down too?
    Thanks,Archer
     
  2. rcmodel

    rcmodel Member in memoriam

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    Nobody ever said it needed to be worked down to .218"!!

    A .223 Rem expander needs to be about .002" to no more then .003" smaller then the .224" bullet to provide proper neck tension.

    But since you already did it, I guess you need to sand down your case trimmer pilot now too.

    But don't feel too bad.
    I find most of my trimmer pilots are too big to enter sized brass and need to be turned down a little for some inexplicable reason?

    rc
     
  3. archer1214

    archer1214 Member

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    Sory, My Bad:eek:...I meant to put .2218...Rc is understand your surprize,lol.
     
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