I change the kit according to the map, adaptive play style.
Big Maps
Slow strategic movement, mostly camping, and holding hardpoints.
Assault: M16A, Perk1-China Lake, Perk2-Hardline, Perk3-Hardwired
Open Area: KS1: RCXD, KS2: Predator, KS3: AGM/Paveway
Covered: KS1: RCXD, KS2: Predator, KS3: Heli/DukeNukem
Medium Maps
Rush, cover enemy spawn protection end points and camp behind enemy lines.
Assault: M16A/M4/SteyrAUG, Perk1-China Lake/Betties, Perk2-Hardline/Stealth, Perk3-Hardwired/DeadSilence
Open Area: KS1: RCXD, KS2: Predator, KS3: Paveway
Covered: KS1: RCXD, KS2: Predator, KS3: Heli/MiniNuke
Small Maps
Bunny hop like hell, keep them guessing.
Assault: M4/SteyrAUG/G18, Perk1-BouncyBetty, Perk2-Hardline, Perk3-Hardwired
Open Area: KS1: RCXD, KS2: Predator, KS3: Heli
Covered: KS1: RCXD, KS2: Predator, KS3: Heli/MiniNuke
And of course standard issues XI Admin Hacks, they don't always work but you know.