Heavy Armour. The wearer has +D3 Toughness. Roll to determine the armour's effectiveness the first time the wearer is hit each turn, and use the result for the rest of the turn. In addition, the wearer has the Impact Hits (D6) special rule.
Note: Per the Orcs & Goblins FAQ, the Choppas special rule applies to the Impact Hits caused by the Armour of Gork.