The Vickers is a Sentry gun in SAS: Zombie Assault 2 and its expansion SAS: Zombie Assault 2 Insane Asylum. It costs $4,000, and has a 500 round clip.
In SAS Zombie Assault Tower Defense, it is a turret (tower), costing $150 and has unlimited bullets. It has 2 upgrade paths, with 4 tiers of upgrades.
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