[TomGuy]

it doesn’t seem like a good zombie weapon, because it would have to go through the skull.

Actually, it is a good weapon for that. The zombie is caused by a parasite/virus that has infected the brain of the dead. The only way to re-kill them is with a severe head wound -- bullet, arrow, knife/ax/sword, etc.

An arrow from a crossbow can penetrate deep.

[Vince Ferrer]

If I was in a zombie apocalypse, this would be my gear:

It would be totally cool to have the survivors meet up with a bunch of knights who were having a Renaissance festival right during the outbreak.