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Discussion Starter #1
I have access to the dimensions of practically every rifle and handgun cartridge available. But not for shotshells. Thankfully I have a digital caliper and a supply of 12, 20, and 410 shotshells. But I don't have 10 and 28ga specimens or dimensions.

What I need is:
Rim diameter
Base diameter
Rim thickness

Any data would be great (well, correct data ;) )
 

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may be able to send ya a couple & you can disect them?
Jerry
 

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BattleRifleG3 said:
What I need is:
Rim diameter
Base diameter
Rim thickness
)
What are you doing, making something out of them? Curious... :)
 

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Discussion Starter #4
Going to use the specs for some force calculations to see, based on SAAMI pressures, how much force these guns undergo with each shot.

Have a theory on the 28ga that could lead to an innovation or two, but would need data first.
 
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