yeah, I considered using "an" HK-47 as well, since that's how I'd say it. I'm not sure why I typed it with just "a". I guess it depends on if you pronounce it "aytch kay" or "haytch kay" (some people do that for some crazy reason :raise:)
When in doubt, consult Wikipedia (
http://en.wikipedia.org/wiki/A_and_an) :D
Enough with the off-topic English lessons folks, the mod maker gets the point. -RH