Frank Gore is frustrated. And the Pro Bowl running back says it's time to take it out on the Seahawks. The reigning NFC rushing champion has mostly been contained during San Francisco's first three games as the team's struggling offense has sunk to the bottom of the NFL rankings. The 49ers have still managed a 2-1 record to take into Sunday's battle with Seattle for first place in the NFC West, but Gore is upset that he and the offense aren't doing their part.