T2k13 Rules Questions

[Kappa]

Hey, hopefully Twilight 2013 (Twilight 2000 v3) is relevant to the forums.

Say one wants to do a Called Attack to Head on Aimed Burst Fire (5 round burst) using H&K MP5k at 20m (CQB band), while standing up in otherwise normal conditions.

-1 for targetting into CQB range
-3 for out of optimum range (GF)
-4 for Called Attack to Head

Total: -8 halved by Aimed Shot for -4

+4 for 5 round burst
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Got a few questions:

* Am I on the right track and are all those shenanigans legal?
* Is the +2 damage from Called Attack applied to all rounds, even if they hit other regions?
* If one sustains injury less than the current wound threshold, is it completely ignored - ie. you can take the full clip and not even flinch? Assuming the same location and damage always under the threshold.