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Unread 04-07-2022, 12:01 PM   #11
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Andy
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I called Hodgon about primer swapping a few months back and he said what Chuck said. ADD or SUBTRACT 2500 psi and start with a load above 6500 psi (to avoid a squib) and below 9500 to avoid pressures too high.
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Unread 04-07-2022, 12:25 PM   #12
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Not being able to find Win 209, I bought some new Cheddites (blue and pink box - alleged to be better that the old ones). I load Old Style Win AAs 28 Ga. with Claybuster Wads and 20/28 Powder. We contacted Alliant, and they said only load with Win 209 because the other pressures are too high. I think the real problem is they never tested anything else. Vista also owns Cheddite, and I asked why they never tested their own product - no answer. The folk law I hear in the internet is the Cheddites are OK for 12 Ga, but the pressures are too high for the small gauges. Also, a lot of guys on the interned say they load 13.0 Gr of 20/28, and all is good. So I just sent 4 sample loads to Pression Reloading to test:
13.2 Gr 20/28 with Win 209 primers
13.0 Gr 20/28 with Win 209 primers
13.0 Gr 20/28 with Cheddite primers
13.0 Gr 20/28 with CCI primers

All loads weighed on my digital scale - I will keep you guys posted when I get the results.
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Unread 04-07-2022, 12:44 PM   #13
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What Cheddite has to say about their primers:
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Unread 04-07-2022, 01:01 PM   #14
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Quote:
Originally Posted by Billy Gross View Post
Vista also owns Cheddite, and I asked why they never tested their own product - no answer.
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Can you provide a reference, I do not see Cheddite listed among the brands owned by Vista.

https://vistaoutdoor.com/brands/
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Unread 04-07-2022, 01:56 PM   #15
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OOPS - I meant CCI is part of Vista - They didn't list load data for 28 Ga AAs other than Win 209. Also, I sent the Cheddite CX2000 209 out to Precision Reloading for testing. Billy
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Unread 04-07-2022, 02:15 PM   #16
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Thanks Billy, you saved me the trouble of having my loads tested.
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Unread 04-07-2022, 02:40 PM   #17
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I was looking at this chart earlier.
My 10 ga cheddites appear to have the 2000 primer as they are copper color.
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Unread 04-08-2022, 09:45 AM   #18
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There is too many variables to go willy nilly changing components in a published load.

Both those test show his loads increased by 3300-3500 psi , so I guess that info from Alliant to ad 2500 psi goes right out the window in this case.

In every case that I have had loads tested with Win 209 vs Ched cx2000 primers, the Ched primers have always had more pressure.
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Unread 04-08-2022, 10:21 AM   #19
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Hearsay has this increase as nominal, though that likely varies with powder type and other variables. Is that generally what you have seen Mark or is it more in line with the increase in the thousands?
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Unread 04-08-2022, 11:22 AM   #20
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Mark - Can you post the results of your test data. I agree that we should not be making up our own recipes. But because of the unavailability of Winchester primers and the lack of data for other primers, we are forced to substitute to other brand of primers. I think changing primers would be OK if the Precision Reloading test data comes back within safe limits. My next step would be to further reduce the powder charge and retest if pressures are still too high. Billy
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