How to unlock Quartermaster Suppressor in Warzone and MW3 Season 5

Season five for Call of Duty Modern Warfare 3 and Warzone went live on July 24, adding new weapons and Aftermarket Parts for you to try. The update also introduced two secret attachments, one of which is the Quartermaster Suppressor.

The Quartermaster Suppressor is a muzzle attachment available for many weapons in all categories except shotguns. The attachment has quickly become a must-have in every Warzone build, especially with long-range meta picks like the STG44 in season five.

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