It depends what load recipe you are using. The cb8100 is a taller wad and in some cases you might not get a good crimp depending on the powder you use and how much.
kc, It is just different designs from different companies, no design advantage. The CB1100 is a Winchester design and will work fine in your AA and Rem hulls.
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Don't be a sucker for the wad game. For 1oz loads the CB1100 is all you need .
CB1100 & CB8100 are dimensionally the same for overall length and shot cup size. I use both and find no difference. The CB0178 are longer and work best for 7/8oz loads in Remington and Winchester CF cases. I do use the CB1100 for 7/8oz loads in the Winchester HS cases and achieve a good crimp but will get a dished crimp in Remington cases so I then use the CB0178 for them. Hope this helps.
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