User blog comment:AntiScootaTwo/Future Patches/Updates: What I would like to see/@comment-173.174.129.223-20130222173332/@comment-120.145.162.10-20130223104851

Flak jacket doesn't protect you from anything, it only reduces explosive damage so if your already hurt and a HK hits you then it will kill you. If your at full health then you should survive.