User blog comment:Chantufan/Zombie Invasion/@comment-1651748-20100121212927

The Ray Gun you asses. One shot kill, ftw!

In real life, depends where, in a place with an urban area and lots of buildings, Barret .50 Cal. If in a wasteland, an M16. In some sort of strange European Castle while trying to protect the presidents daughter *cough* Resident Evil 4 *cough* a AA-12, with drum magazine.