Like all +3 weapons, the DM will add +3 to the AC hit when using this weapon but the damage bonus has already been factored into the damage wheel.
Adds +3 to Focus
Adds +2 to Dexterity (thus adding +1 To Hit with ranged attacks, +1 to AC, and +1 to Reflex saving throws)
Adds +4 to Dexterity (thus +2 To Hit with ranged attacks, +2 to AC, and +2 to Reflex saving throws)
Adds +2 to Strength (thus adding +1 To Hit in melee and +1 Damage with melee and thrown weapons) and -1 to Dexterity (thus, depending on prior Dexterity score, suffering either a 0/-1 To Hit with ranged attacks, either 0/-1 to AC, and either 0/-1 to Reflex saving throws)
Adds +2 to Strength (thus adding +1 To Hit in melee and +1 Damage with melee and thrown weapons)