Feats: 3rd–Mobility, 5th–Shot on the Run, 7th–Spring Attack, 9th–Sidestep, 11th–Candidates: Improved Sidestep, Parting Shot, Skill Synergy (Engineering and Perception), Dive for Cover, Improved Initiative, Toughness, Weapon Focus (small arms), Fleet, Jet Dash, Opening Volley.
ASAP: Freebooter armor III (Chronicle #13). Armor upgrades, small arms, vision items
Move to a strategically advantageous position and use melee or ranged trick attack (take 10 on trick for result of 32, unless against CR 13+ foe).
dice=Attack vs X (flat-footed)]d20+12+2[/dice
dice=Damage (P, magic, wounding advanced semi-auto pistol; trick)]2d6+4+4d8[/dice plus flat-footed or off-target; wound critical
dice=Damage (So, thunderstrike sonic pistol; trick)]d8+4+4d8[/dice plus flat-footed or off-target; deafen critical
dice=Damage (E, static arc pistol; trick)]d6+4+4d8[/dice plus flat-footed or off-target; arc 2 critical
dice=Damage (P, bayonet--ultrathin sword cane; trick)]2d4+7+4d8[/dice plus flat-footed or off-target; bleed 1d4 critical