Thread: .223 die set up problems

Went to the range this weekend with a friend that bought new AR-15. I was shooting all reloads and had excellent results. Bullets and brass from @wes sage. Tonight I was setting up my dillon xl650 that I use Dillon .223 dies with and for some reason I can’t get the resizing die set. It bulges the top of the case. I have adjusted the decaping pin to where I have used it before I believe and I can’t get the case to fit in the case checker. It looks like the neck is bulging a little. It will fit almost all the way in to case checker except maybe for 1/8” or little more. I feel like I’m doing something stupid easily wrong. I have screwed for out and in playing with adjustment as well as pin setting in and out. I went step by step on instructions and still can’t get it. Any tips or video on what I am doing wrong. Thanks in advance. Also I’m not looking for a smart answer or insults.


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Is your decapper pin bent? If it is tweaked any, it could skew your brass enough to catch your neck and tweak it.

Is the brass .223 or 5.56? I remember reading about a throat issue before with Dillion dies, but I don’t remember the resolve.


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After I wrote that, I thought about what if the brass was .223 and it was fired in a 5.56 chamber, you might need the small base dies to size.....


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Back the die out 1/8 to 1/4 turn. Sounds like you are bumping the shoulder back too far.

If backing the die up doesn't fix it make sure you have the proper shell holder in place..

I figured it out. Brass needed trimmed!!


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Mighty long brass to effect a resizing die....

Also lowered die a little more and they fit perfectly now


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Good deal....


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Lots of great information


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