Yes, by modifying this file in your rA trunk = LINK & LINK
// Job-specific Values Database
//
// Structure of Database:
// JobID,Weight,HPFactor,HPMultiplicator,SPFactor,Unarmed,Dagger,1HSword,2HSword,1HSpear,2HSpear,1HAxe,2HAxe,1HMace,2HMace(unused),Rod,Bow,Knuckle,Instrument,Whip,Book,Katar,Revolver,Rifle,Gatling Gun,Shotgun,Grenade Launcher,Fuuma Shuriken,2HStaff
//