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jjfuller1 04-25-2013 10:37 PM

.223 wtf
if you remember las year i had a little issue. loaded all the 9mm and 40 i had. loaded the .308... i saved my .223 for last. started working on them again the other night..... same friggin problem.. glad i checked after only a few rounds.

they would not fully chamber, and the bolt would not close on my AR. and then it was hard as heck to get it out.. had to resort to a few pounds with a hammer... and a few scratches to my receiver.. ugh..

i was using a new die also.... why the heck when i deprime and size a round will it not fit into my rifles chamber correctly?? the casing length was 1.743 to 1.749

JonM 04-25-2013 10:52 PM

either your are setting the shoulder too far back or too far forward.

most likely your not setting it back enough. thats why when your loading bottle neck cartridges a case gage is kinda mandatory as trial and error can be dangerous with an out of spec case causing severe pressure spikes.

the instructions that say screw the die into the shell holder/plate and back off or turn in a bit more are just guidelines to get you in the ball park. to get it correctly adjusted requires a case gage.

JTJ 04-25-2013 10:54 PM

Either you do not have the die set correctly to fully resize, your bullet is seated out to far, you are bulging the case when you crimp or your dies are defective. Do the rounds chamber after resize but before they are loaded? I will not use a roll crimp. I taper crimp with a separate die.

aandabooks 04-26-2013 12:37 AM

Are you full length sizing or just neck sizing? I don't crimp my .223 so I don't know if crimping could be a problem for you.

Txhillbilly 04-26-2013 01:54 AM

Jon is correct,Your dies are probably not setup correctly.
I also rarely ever crimp bullets that are seated to book specs.If the dies are correct,you'll have plenty of neck tension to keep the bullet from moving.

bigjim 04-26-2013 01:56 AM

Your problem

the correct way

Get a Small Base full length sizer die.


JTJ 04-26-2013 03:33 AM

I am using RCBS 223 dies and am loading for 3 different rifles with no problems.

bigjim 04-26-2013 06:12 AM

If he is running a barrel and chamber that is cut for 223 Remington instead of 5.56 Nato he WILL run into problems unless he "small base" resizes the cases, the L.E. Wilson gauge insures that the shoulder is set correctly, it is used in setting up the resizing die. If you have a 5.56 barrel and chamber you have a slightly longer throat and a skinch wider chamber. The rifles that were ganantteed from the factory to shoot 0.5 MOA at 100 yards were all cut to 223 standards and have extreemly tight chambers to insure that accuracy.


Been there done that.

mseric 04-26-2013 12:37 PM

As stated above, your FL die is not set up correctly. You are using an FL die yes?

Start from the beginning.

Raise the ram all the way up.
Screw the FL die into the press until it contacts the shell holder.
Lower the ram
Screw the die INTO the press 1/4 turn more.
Tighten down the locking ring.
Lube and size a fired case.
Remove lube from case.
Place sized round in chamber and slowly close the action, do not slam. See if it chambers all the way. If so, you are done, if not screw the die into the press 1/8 of a turn at a time until it does chamber.

Once you have correctly set up your FL die, seat a bullet, no powder, no primer. See if it chambers and extracts with ease. If so you are GTG, if not you have your Seating die set up incorrectly and the crimp feature is distorting the case.

jjfuller1 04-26-2013 03:05 PM

thanks guys.

i did start at the beginning by raising the ram. however i think this is where my problem is. im pretty sure i didnt adjust it after making contact. i'll try again when i get a chance.

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