[Source] The KX9 laser cannon was a laser cannon manufactured by the Taim & Bak company. The KX9 laser cannon consisted of four parts; the laser cannon, laser barrel, flashback suppressor, and the laser tip. T-65B X-wing starfighters utilized four KX9 laser cannons, one at the end of each S-foil.
[Source] The KX9 laser cannon was a laser cannon manufactured by the Taim & Bak company. The KX9 laser cannon consisted of four parts; the laser cannon, laser barrel, flashback suppressor, and the laser tip. T-65B X-wing starfighters utilized four KX9 laser cannons, one at the end of each S-foil.