Under the Florida statute, a “missile” is anything that is capable of producing death or great bodily harm. A bullet, a rock, an arrow, etc. Cases have stuck for other objects like a filled soft drink bottle, a metal lock and even a grapefruit.

Here’s the grapefruit case if anyone is interested:

https://scholar.google.com/scholar_case?case=7071824130036895793&q=455+So.+2d+1142&hl=en&as_sdt=4,10