In episode 2, Weevil Underwood used this card during his Duel against Rex Raptor during the Regional Duel Monsters Championship. He equips this card onto his "Basic Insect", increasing its ATK by an unknown amount. Weevil then uses "Basic Insect" to attack and destroy Rex's "Two-Headed King Rex", winning him the duel.
"Level 5 Laser Cannon" was its English anime name, while "Insect Gun Armor" was its English manga name.