User blog comment:Dolten/Call of Duty: Black Ops Achievements/Trophies (SPOILER ALERT)/@comment-75.185.40.138-20100930204919/@comment-118.209.223.91-20100930215355

No, it wouldn't be, because the achievement is " Us a single round to bring down castro." So you have to kill him, whether it's one bullet or the whole mag.