The amphibious Cougar was a direct Fire Support Vehicle ( Wheeled ) FSV ( W ) variant of the Armoured Vehicle General Purpose which was based on the Swiss MOWAG 6X6 Piranha hull with a 76 mm main gun mounted in a British FV101 Scorpion Tank turret .
The amphibious Cougar was a direct Fire Support Vehicle ( Wheeled ) FSV ( W ) variant of the Armoured Vehicle General Purpose . 
 It was based on the Swiss MOWAG 6X6 Piranha hull with a 76 mm main gun mounted in a British FV101 Scorpion Tank turret .