S66, popular consensus is that either one would work. Either one is big enough to split wood for fire, but if you get a Grizzly or maybe a pack of hungry Zombies you will want to go big. Yeah yeah, I know, NO Grizzlys where you are, but you never know. Maybe some Zoo had an escape.

If you’re not Paranoid, You’re
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Be a Sheepdog
JYD#105