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AR15.COM
3/20/2005 11:01:38 AM EDT
I am loading on my Dillon 550 and I am loading .223. I have the resize die all the way down and I tested some brass in the headspace/chamber gauge. It is still too high and I have the die all the way down. I have tested 10 pieces of brass and they are all the same as when I started.

I need help soon so I can go out and test my loads.

3/20/2005 11:03:27 AM EDT
[#1]
are you saying you need to trim the brass?

3/20/2005 11:09:42 AM EDT
[#2]
You can turn the die down about a quarter turn further after it touches the shellholder.

Does the resized brass chamber easily?

My Dillon sizer dies size rifle brass below the "zero" point on RCBS headspace gauges when the die is turned all the way down in the press.
3/20/2005 11:12:15 AM EDT
[#3]
What BarrelBurner said.  Your press is flexing.

Eddie
3/20/2005 11:15:44 AM EDT
[#4]

Quoted:
I am loading on my Dillon 550 and I am loading .223. I have the resize die all the way down and I tested some brass in the headspace/chamber gauge. It is still too high and I have the die all the way down. I have tested 10 pieces of brass and they are all the same as when I started.

I need help soon so I can go out and test my loads.


That's not a very clear description. What do you mean by "too high"? Does the round fit in the chamber gauge, except for the neck protruding? If so, you need to trim the case(s).


As for the person that said 'press flexing' - neat trick with a 550. Don't see how it could.
3/20/2005 11:23:48 AM EDT
[#5]

As for the person that said 'press flexing' - neat trick with a 550. Don't see how it could.


Call Dillon and ask.  They're the ones that turned me onto that many years ago.  I've since discovered it isn't just Dillon presses.

Eddie
3/20/2005 11:31:59 AM EDT
[#6]
I mean that the case head is above the maximum for the chamber gauge. The cases do need to be trimmed. I will do all of the things you said and I will come back soon and post results.
3/20/2005 11:32:11 AM EDT
[#7]

Quoted:

As for the person that said 'press flexing' - neat trick with a 550. Don't see how it could.


Call Dillon and ask.  They're the ones that turned me onto that many years ago.  I've since discovered it isn't just Dillon presses.

Eddie

ok, I need linkage for this, gotta read up. Never heard of such a thing. Thought the whole point of an 'O' -style press was to prevent just that problem. It was what made the RCBS Rock-Chucker so famous.
3/20/2005 1:18:51 PM EDT
[#8]

Thought the whole point of an 'O' -style press was to prevent just that problem.


"O" style presses are superior to the old "C" style.  The Dillon rep mentioned a PSI figure, but I've forgotten what it was.  I remember being surprised by the number.  Remember, we're talking about just a few thousandths of an inch.

Eddie
3/20/2005 1:27:52 PM EDT
[#9]
I've experienced the "flex" thing on the Rock Chucker as well as the Dillon.
3/20/2005 1:33:44 PM EDT
[#10]
3/20/2005 1:41:27 PM EDT
[#11]

You can turn the die down about a quarter turn further after it touches the shellholder.



That worked. Thanks!
3/20/2005 1:48:00 PM EDT
[#12]
I have had the same problem. Turn the down die some more to the point where the lever cams over when the lever is down. Might help, but  still get about 5% rejects, particularly with LC brass.
3/20/2005 3:52:14 PM EDT
[#13]
At least one of the die mfrs, I think    RCBS, makes  a set of "small base" dies for reloading for semiautos.  You might need to switch to those to get the case heads resized small enough.
3/20/2005 3:57:04 PM EDT
[#14]

Quoted:
I am loading on my Dillon 550 and I am loading .223. I have the resize die all the way down and I tested some brass in the headspace/chamber gauge. It is still too high and I have the die all the way down. I have tested 10 pieces of brass and they are all the same as when I started.

I need help soon so I can go out and test my loads.




You need to give a better description of what's happening than this.

In any event, after reading the thread to this point, you need to STOP, and find out what's wrong.