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1/8/2012 2:02:26 PM EDT
I have  800 or so  loaded rounds of mixed head stamped .223 and 5.56, evidently when I reloaded them,  I didn’t size them correctly.  The bolt is not closing all the way and I have a heck of a time getting the unfired shell to eject.  I have all Hornady equipment I believe I bought a full case sizer..  Is it safe to resize the loaded shell or do I need to pull the bullet and powder ?  Is there any way to quickly check if the shell needs resized or should I just resize all of them ?  Most of the shells work perfect but one bad one ruins the fun until I can extract the unfired shell.  The gun fires perfect on new shells , so it has to be my reloading.
1/8/2012 2:32:44 PM EDT
[#1]
Hope you like decapping ammo, cause that is what your gonna be doing. I have tried to do what you want before and the dies are just too tight with a bullet in place.
1/8/2012 3:15:13 PM EDT
[#2]
ammo check gauge,

http://www.lymanproducts.com/lyman/case-prep/rifle-headspace-gauges.php



and as for the ammo that has to be pulled down, bullet puller over the hammer any day of the week,

As for which puller, the Hornday one is pretty quick due to the cam handle that tightens down on the bullet and releases even quicker, verse the rest that you have to screw and unscrew instead.  Don't forget to order the 223 collet as well

http://www.hornady.com/store/Pullers/

On on you sizer, make sure to adjust the sizer to holder under live round tension.   You set it without sizing tension, and your going to run into the same problem.  Next, unify trim the case to the Correct trim OAL before you start reloading them.  If a longer case slips into the mix and you have bullet crimping tension set for the shorter cases, you going to over tension the longer cases, ending up with the shoulder of the case being slightly buckled, and this can cause the same problems as not sizing correctly to begin with as well.


And Yes, if you have a round that is a reject by the gauge, then you have to at least pull the bullet from the case, and remove the powder.  The de-priming pin can be removed from the button to leave the primers if, but the sizer button has to stay in play when you are resizing the cases.  The die will undersize the neck of the case as it being driving into the sizer, and button resizes the neck to the correct ID as the case is coming back out of the die.

1/8/2012 3:53:26 PM EDT
[#3]
I've experienced the same problem-no fun being in the middle of a dog town and every 5th or 6th cartridge wouldnt close the bolt on my mini mark-x. Seems the die might have slipped a bit during a manic session of resizing L.C.  Ended up taking a lee resizing die and shortening it to the junction of shoulder and neck. This allowed the body to be squeezed down, but not resize the neck.  It worked.
1/8/2012 5:50:47 PM EDT
[#4]
You can get a lot of info here

http://www.ar15.com/forums/f_6/42_Reloading.html
1/9/2012 6:23:21 AM EDT
[#5]
Thanks to those replied...I now have a action plan and have ordered a case gauge .  I should have had one before I started reloading...lesson learned.
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