Weekly challenges are your primary source of aftermarket parts inModern Warfare 3.Each week, a new set of weekly challenges are unlocked for players to complete through Multiplayer, MWZ, or Warzone challenges. Complete any five of these challenges, and you’ll unlock a new aftermarket part or a weapon blueprint.

This week’s reward is a weapon blueprint for the BAL-27, giving it an appearance fitting for Halloween. This guide will showcase what the Seance Starter weapon blueprint looks like and explain how to complete all 21 challenges added this week.

Modern Warfare 3 Seance Starter Weapon Blueprint.

Week 3 Challenge Reward

This week’s challenge reward is theSeance Starter weapon blueprint for the BAL-27.Most of the weapon is retextured with a wooden surface engraved with short phrases and symbols. A few of the words on the gun will glow bright red intermittently.

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