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1050 Decapping Issue

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When decapping with Dillon decapping die I'm having issues with primers not being pushed out. Mainly Blazer brass that I see the issue with. This is a new machine with maybe 500 rounds through. Made sure pin was tight. Anyone else seen this issue?

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Is your sizing die adjusted correctly?  Is the primer just being partially pushed out?  And the C-clip is still intact?  I no longer use my Dillon sizer, but in general it's possible for the pin to partially re-seat the primer on the upstroke if the primer sticks to the pin.  I don't recall this happening with the Dillon die.  BTW, I only load 9mm.

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Is the Mighty Armory one a sizing die as well?  When I looked it appeared it was not.

 

Dillon swears their new sizing die has a spring in it that is supposed to prevent the primer from sticking on the pin.  I was also having this problem and chose to go with the Lee sizing/decapping die.  8600 rounds on it so far and no stuck primers.  The Dillon decapping pin must have a peculiar shape to it that in my experience tends to have CCI primers stick on it.

Edited by V2plus25

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I put a good bevel on the decapping pin and that cured the primer pull back issue. 

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The bevel certainly helps, but I'm finding the tapered pins on the Lee U dies do just fine as well.  I don't see a need for the sprint in the Dillon die and I did have to replace the C-clip a few times before I switched to Lee (along with replacing my FCD with a conventional taper/crimp die.

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I don't swage on my S1050 so I run a setup like this: Station one has a Dillon universal decapping die installed (the decapping rod and pin is much more robust than those found in resizing dies). Station two has a Redding competition sizing die installed without the decapping pin. 

It works very well this way, 

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On 4/29/2018 at 1:00 PM, V2plus25 said:

Is the Mighty Armory one a sizing die as well?  When I looked it appeared it was not.

 

Dillon swears their new sizing die has a spring in it that is supposed to prevent the primer from sticking on the pin.  I was also having this problem and chose to go with the Lee sizing/decapping die.  8600 rounds on it so far and no stuck primers.  The Dillon decapping pin must have a peculiar shape to it that in my experience tends to have CCI primers stick on it.

Decapping only. Have to have a sizing die in station two

 

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On 4/29/2018 at 12:16 PM, RickT said:

Is your sizing die adjusted correctly?  Is the primer just being partially pushed out?  And the C-clip is still intact?  I no longer use my Dillon sizer, but in general it's possible for the pin to partially re-seat the primer on the upstroke if the primer sticks to the pin.  I don't recall this happening with the Dillon die.  BTW, I only load 9mm.

I think the primer is sticking to the pin and getting pulled back into the pocket. I'm going to mess around with the pin tonight. Thank you!

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The best way I found to bevel the pin is to put it in a drill press and use a file to bevel it then use some fine emery cloth or a stone to polish it smooth. 

Edited by Don_B

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I "cured" that problem by using Lyman decapping pins.

 

Take a bent/broken Dillon decappng pin, then file off the pin, and use as a spacer.  The picture shows the order of assembly.

 

fGYP3Va.jpg

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19 hours ago, Don_B said:

The best way I found to bevel the pin is to put it in a drill press and use a file to bevel it then use some fine emery cloth or a stone to polish it smooth. 

Well, so far so good. I ran 600 rds last night with no issues. Thanks for the help!

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You are welcome!

Glad I could help. 

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