Firefight does none of those things, by fluff or crunch, but it does do the rest of the Gun Kata schtick - twirly, shooty, punching / kicking and pistol whipping.
On that thought, I'm going with grammaton cleric option C - mastery of Gun Kata is the full sum of these two styles.
When Equilibrium first came out, I created a gun-fu adept with as close as I could get to Gun kata. This was back in 2nd ed, and looked something like:
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Adept Centering (Active Skill, Tai Chi)
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Blind Fighting (to counter those annoying shooting in full darkness/behind you modifiers)
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Killing Hands (Moderate)..it's an old 2nd ed term
- Increased Reflexes (2)
- Improved Combat Ability (Pistols)
- Improved ability (Athletics) ...in the old 2nd ed skill tree)
- High Unarmed, Firearms, Athletics skills
- Synthcardium booster, Sleep Regulator.....
and a few other things....
Under 4th edition, I've remade the same character as a Vampire Physad who believes Ares stole his Gun Kata and rebranded it as Firefight, cheating him out of Squillions in royalties....
I know near zero about Krav Maga (sp?). Heard it's getting pretty popular over in the US, but the same craze hasn't hit down under.