Call of Duty Modern Warfare 3 (MW3)

How to Get Stronghold Keycards Fast

MW3 Stronghold Keycards

Stronghold Keycards can be bought at Buy Stations in Zombies mode of Call of Duty Modern Warfare 3 (MW3). Learn the best way to get Stronghold Keycards quickly and what Stronghold Keycards are used for.

How to Get Stronghold Keycards Fast

How to Get Stronghold Keycards
CheckmarkPurchase for 2,000 at Buy Stations

CheckmarkFound in Mercenaries Camps

Buy at Buying Station

You can purchase Stronghold Keycards for 2,000 Essence at Buy Stations. This is the easiest and quickest way of acquiring Stronghold Keycards, since the alternative involves fighting off Mercenaries found in Mercenaries Camps and looting an RNG Loot Cache.

There is an infinite supply of Stronghold Keycards at Buy Stations, so this method is repeatable if you die or for future objectives too.

How to Farm Essence

Look for shopping cart icon to find Buy Stations

Buy StationsBuy Stations Icon

When deploying onto the map, do a couple Contracts to earn Essence then head to the nearest Buy Station marked on the map to collect your Stronghold Keycard.

How to Use Stronghold Keycards

Unlocks Mercenary Strongholds

Use the Stronghold Keycard to open the Mercenary Stronghold, which would otherwise be locked. Prepare for a fight, however, since the Strongholds contain lots of Mercenaries that will immediately open fire on you.

Unlock Terminus Outcomes Stronghold for Infiltrator Mission

StrongholdsStrongholds

If you're doing the Infiltrator mission, you'll need to open a Terminus Outcomes Stronghold after acquiring the Stronghold Keycard. A Terminus Outcomes Stronghold is no different from any other Mercenary Stronghold, so just look for the nearest one on the map.

How to Clear Terminus Outcomes Stronghold

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