Winchester SXP Black Shadow 20gSXP Black Shadow 20g Overview Shadows fade into black. Rugged reliability with a non glare matte finish on the barrel and receiver that wont cause birds to flare. The durable composite stock and forearm are up to tough conditions. The hard working SXP action fires all factory 2 3 4", 3" and 3 1 2" steel, tungsten, bismuth and lead loads through a chrome plated . 742" Back Bored barrel with Invector Plus chokes, ensuring optimum patterns. . SXP Black