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Locate 20ga Load Data for 20/28 w/ Cheddite Primers?

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MastaMarksman

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Discussion starter · #1 · (Edited)
Hey all,

I just started reloading for shotshells. I have been loading for metallic for 10+ years.

I am loading for 20ga, I chose 20/28 powder, 3/4oz load w/Claybuster CB1075-20 WAD in Remington GC/STS hulls and Cheddite Primers.. I thought finding load data would be relatively straight forward, but I can find load data for all my components EXCEPT the Cheddite Primers. I sent Alliant an E-mail requesting load data and they replied that they do not have any tested data for my requested components.

I am hoping someone has some data and/or can point me in the direction of a recipe for these components..

Thanks all

-Masta
 
Discussion starter · #3 · (Edited)
I did research, Alliant 20/28 was seeming to be the reccemonded powder by a majority, Green Dot also seems pouplar.

I had never even heard of Cheddite primers before, but when I went to a reloading shop I grabbed then because they were the best price and I didn’t think there would be any issue finding the load data.

Also coming from metallic reloading, where primers are fairly universal, you just select the primer type (Small Pistol, Large Pistol, Small Rifle, Large Rifle, etc). Not sure why Shotshell primers are soo different?

Though most of them seem to have a "209" primer, so I want to assume the "209" primers are universal with each other? But I fear I will be told, no?

-Masta
 
#4 ·
Unless you are pressing the envelope on pressure I do not give primers a second thought..........Oh the horror I know. I have learned from years of reloading what each are somewhat capable of. Other than federal/couple euro primers you can lump the others together and shake out one. There's not going to be a hell of a lot of difference. Some get all worked up for 20FPS...I don't.
I worry more about OD than how hot/cold they are most times.......
 
#5 ·
cbxchris said:
Unless you are pressing the envelope on pressure I do not give primers a second thought..........Oh the horror I know. I have learned from years of reloading what each are somewhat capable of. Other than federal/couple euro primers you can lump the others together and shake out one. There's not going to be a hell of a lot of difference. Some get all worked up for 20FPS...I don't.
I worry more about OD than how hot/cold they are most times.......
Click to expand...
:arms:
 
#6 ·
You don't say what wad you are using. If you use the Claybuster 3/4 oz wad, they have some data on their website.
CB1075-20 Load Data
They don't list 20/28, but do list some loads using cheddite primers.
Alliant lists 20 gauge 3/4 oz loads, using 20/28, using Remington primers, which are too expensive, but the pressures listed are very low.
Alliant Powder - Reloader's Guide
This is the situation where a primer swap can be considered, because of the low pressure.
You shouldn't swap components when the recipe pressure is pushing the maximum amount.
 
Discussion starter · #8 ·
cbxchris said:
Unless you are pressing the envelope on pressure I do not give primers a second thought..........Oh the horror I know. I have learned from years of reloading what each are somewhat capable of. Other than federal/couple euro primers you can lump the others together and shake out one. There's not going to be a hell of a lot of difference. Some get all worked up for 20FPS...I don't.
I worry more about OD than how hot/cold they are most times.......
Click to expand...
I completely agree with your method. I too think go by that method in Metallic. Being new to shotshell, currently I am going mostly by what I read others saying and there's a big black cloud over changing primer's from the advertised load data.

Thank you for your input.

-Masta
 
Discussion starter · #9 ·
Oregunner said:
You don't say what wad you are using. If you use the Claybuster 3/4 oz wad, they have some data on their website.
CB1075-20 Load Data
They don't list 20/28, but do list some loads using cheddite primers.
Alliant lists 20 gauge 3/4 oz loads, using 20/28, using Remington primers, which are too expensive, but the pressures listed are very low.
Alliant Powder - Reloader's Guide
This is the situation where a primer swap can be considered, because of the low pressure.
You shouldn't swap components when the recipe pressure is pushing the maximum amount.
Click to expand...
Thank you for your info!

I updated my original post with the WAD info, but yes I am using the Claybuster CB1075-20, is there another 3/4oz wad on the market?

Being new to shotshell reloading and still in the process of reading the Lyman Shotshell reloading manual cover to cover, I am not familiar with what the maximum pressure is?

I did look at both the data's you posted and I too saw Alliant's listing for 3/4oz loads using 20/28, but saw they were Remington Primers. It sounds like the Cheddite primers will be okay to use this same load data, so that is what I am going to do.

Thanks,

-Masta
 
#10 ·
For some reason Alliant is a little lax on there primer substitutions and especially Rem hulls but in the 20ga I have subbed CCI209 [ not 209 magnum] primers
in place of Rem209p primers. I'm not saying to do this but have read that they are closer to Rem209p primers than the other primers. That said I have seen Rem
209p primers produce higher pressures in some powders than standard or magnum strength primers.
 
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