How to unlock the JAK Slash in MW3 and Warzone

Aftermarket Parts are undoubtedly one of the best new features added to Call of Duty in quite some time.

Modern Warfare 3‘s weekly additions to the game can sometimes change a gun completely, but others are just fun or useful attachments that can go on a variety of guns. This week’s part is the latter, and it’s a very interesting one to try out.

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