S&B Hornet cases have a smaller flash hole than WW or RP. That is the problem. Standard Hornet dies de-capping pins jam in the S&B flash holes. I found that some de-capped OK, just, whilst others the de-capping pin jammed in the flash hole. It was a piss off as I bought quite a bit of S&B to get reloadable brass. Of course, there may be some advantage having the smaller flash hole in a Hornet case but overall, I found the S&B to be of poorer quality compared to the WW.
Here's a chart of measurements I confirmed for different brands and calibres of brass.
On the subject of brass, I have Kynock, SAKO, RP, Remington, WW Super X, WW.
I settled on WW SX which was the most consistent weight wise and had good capacity compared to the others. They also held together better than RP which I also had a good quantity of.
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