The MW3 and Warzone Season 3 Week 3 challenges are here, thanks to the latest weekly update. Every week, seven brand-new challenges are released for each game mode, and players can complete them to claim limited-time rewards. The rewards are in weekly rotation, and for this week, it's the JAK Cutthroat Aftermarket Part.This article details all the challenges available in MW3 and Warzone for Season 3 Week 3, along with the rewards you can earn by completing them.All MW3 and Warzone Season 3 Week 3 challengesMW3 and Warzone Season 3 Week 3 Challenges (Image via Activision)Here's the complete list of MW3 and Warzone Season 3 Week 3 challenges:MW3 (Multiplayer)Get 15 Operator kills after reloading with recommended SMGsPlace at the top of the leaderboard three timesGet eight Operator headshot kills with recommended handgunsUse your Lethal to kill five enemies affected by a Shock StickGet five Operator kills with a gun-butt of a recommended weaponGet 15 kills against Operators who are blinded or stunned with recommended SMGsGet two Operator kills in a row without taking damage with a recommended SMG five timesWarzone (Battle Royale)In Warzone, place in the top 10 seven timesIn Warzone, revive a teammate 15 timesIn Warzone, open 75 loot cachesIn Warzone Rebirth Island, get 15 Operator kills in the North-East regionIn Warzone Rebirth Island, get 15 Operator kills in the North-West regionIn Warzone Rebirth Island, get 15 Operator kills in the Central regionIn Warzone Rebirth Island, get 15 Operator kills in the South-West regionZombiesGet 50 melee Mercenary kills with a recommended weaponGet five rapid kills 20 times with a recommended SMGGet 150 critical kills with a recommended pistolGet 10 Mangler kills with a recommended weaponGet 100 kills in a single deployment five times with a recommended weaponGet 200 Fire damage kills with a recommended SMGReward for completing MW3 and Warzone Season 3 Week 3 challengesCompleting five of the MW3 and Warzone Season 3 challenges unlocks the JAK Cutthroat Aftermarket Part, a new stock attachment that can be attached to your MCW, M4, MTZ, and AMR9 loadouts.According to the official attachment description, the JAK Cutthroat in MW3 and Warzone provides improved speed and stability while aiming down sights. It's the first stock attachment in MW3 Season 3 and is also available in Warzone Mobile, thanks to the shared progression system.Follow Sportskeeda to get the latest Call of Duty news and updates.How to unlock JAK Cutthroat Aftermarket Part in Warzone and MW3New leak reportedly confirms real identity of The Entity in MW3 ZombiesHow to play all Call of Duty games in order