Thread: Can anyone tell me why ...

First time using my press.

The die is a full length 223 resizing die.

The primer punch keeps sliding up on some of the more difficult cartridges

How tight should the collar be ?? Did I over tighten it ?

Interestingly
1 the thread in the die seems ok
2 the stripped portion of the collar thread was bad and getting worse.

Any advise ??

Where did you get the die from??????

That retaining collar thread is your problem for sure, it's stripped and no good, it will need replacing.

Looks like you need a new locking nut.
I have found you do have to do them up pretty tight and I'd say that one isn't holding.
Make sure the thread in the die body itself is not damaged.

Problem is .. I don't know if it was stripped when I got it ... Or if something I did stripped it. For sure it was stripped the first time I took it out.

The thread in the die looks to be ok - aside from being full of filings from the collar

I would say that collar was stripped when you got it, where did you get it?

Tardme

Originally Posted by kiwi39

Tardme

Don't let it put of you off Tim,
Sounds like some fucktard sold you a lemon die.

I've done that before. It was resizing ex mil 223 brass with a heavy crimp. What kind of brass?

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Thanks for that brad.

Off the shelf brass. Partizan prvi 55 grain sps. It's the first reload

Originally Posted by puku

I've done that before. It was resizing ex mil 223 brass with a heavy crimp. What kind of brass?

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Good point, double check the brass as there are two meathods of priming - Burdon and Boxer. Check out this link and it will tell you more than I can type Berdan vs. Boxer Primed Brass - YouTube

If you get the wrong brass, then no matter how hard you try you'll never ''push'' the primer out in your press with that style of die, in fact you'll bugger the die trying?

kj

Originally Posted by kimjon

Good point, double check the brass as there are two meathods of priming - Burdon and Boxer. Check out this link and it will tell you more than I can type Berdan vs. Boxer Primed Brass - YouTube

If you get the wrong brass, then no matter how hard you try you'll never ''push'' the primer out in your press with that style of die, in fact you'll bugger the die trying?

kj

Huh hadn't thought of the berdan primers either.
In my case the flash hole was off centre

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It may be a longshot, but I'd cut the stripped section off and then try screw it back in. It may just work?

Originally Posted by kimjon

It may be a longshot, but I'd cut the stripped section off and then try screw it back in. It may just work?

Yep. Seems to be working with the remaining thread.

I'll get what I can out of it. Hopefully I can get a part from somewhere ... Anyone know where to get hold of some spares for lee dies ??


Tim