Good idea to clean dies

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I've had that happen but I caught it soon as it happened, I was using a universal depriming die. It was in a lot of brass I dumped in to the brass feeder. Once it showed up I found a couple of others mixed in .
 
I usually look inside my dies before I screw them into my press. Look for this and for buildup of sizing lube in my sizing die and wax buildup in my seating die. Also look for brasz buildup in my expander die. Try to take them apart and run through my tumbler once a year as well.
 
I always check my brass before running it through the press. Usually just shaking a handful at a time you will hear any odd cases, split cases, and wrong cases. The only die I clean regularly is the seat die for 357 as the lube builds up in it and starts seating bullets too deep.
 
I always check my brass before running it through the press.. .

I always thought that ^ ^ was SOP too. .
( it's what I was taught)

I sit under the brightest lamp I have and
examine each case with a magnifying glass.
Saves lots of trouble ( it does for me)
But for some odd reason, folks don't like
handling cases except when it's time to
load a gun
 
Wouldn't you notice a lot more resistance having to punch through the bottom of the case and jam the decapping pin down into the 22LR case mouth? My experience with reloading is that when you feel a lot more resistance than normal during the process something isn't quite right and you need to investigate. I don't reload .357/.38 but it just seems like something you would notice.
 
Wouldn't you notice a lot more resistance having to punch through the bottom of the case and jam the decapping pin down into the 22LR case mouth? My experience with reloading is that when you feel a lot more resistance than normal during the process something isn't quite right and you need to investigate. I don't reload .357/.38 but it just seems like something you would notice.
I agree. More or less pressure is a sign closer inspection is needed.
 
I clean them and give them a once over before use also. So, usually 2 cleanings between sessions, usually the before use cleaning is a bit more complete.
 
Found this after sizing a bunch of 357/38spl. Rcbs1, 22lr case 0

Good reason for cleaning dies after use!
It’s happened to me more than once. On a progressive it’s easy to not notice this. The .22 case doesn’t interfere, or should I say doesn’t seem to interfere in any operation with the .38. Since it’s inside a die, the only way I found it was when swapping calibers. It seems to happen only on my .38 production runs, as much as I try to only have .38’s in the case feeder those pesky .22’s keep showing up. Good luck.
 
If poking a whole in the head of a 22LR case and swaging it onto a decapping rod isn’t noticeable, it makes you wonder what other kinds of debris are getting by and taking up case volume. See post #3.
 
Happens to me a lot considering my son shoots 22 and they get into everything. They get stuck in the universal decaping die and dosent seem to bother anything. I just check the die every time I install or remove it.
 
Brass was wet tumbled, spun dry in FA media separator and spread out over a towel and dried some more before being sorted again. Surprised it didn’t fall out between the shuffle. I honestly did not notice the 22 being punctured. If anything I attributed the resistance to an s&b primed case or a different brand as they all feel different sizing but nothing noticeable like piercing a 22 shell lol. Must be thin brass and a strong die pin combined with ease of leverage from the classic rockchucker. Thought it was interesting taking apart the die after a long session of sizing (usual practice) and now a good reminder to continue.
 
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