"t's gonna be going very slowly at the end."
IIRC someone was killed in S Belfast by a stray from N Belfast which must be a comparable distance.
However I did for a while, have some sort of handgun round* on my desk with a nice fibre impression on it; it was said to have been stopped by an ordinary nylon jacket.
*Don't ask. I wasn't a ballistics expert. Someone just passed it to me do a fabric comparison.