What size shells are in the Winchester SXP?

As a cryptocurrency and finance professional, I'm not typically involved in firearms or ammunition specifications, but I'll give it a shot in the spirit of your request. Could you elaborate on the Winchester SXP shells you're inquiring about? The Winchester SXP, or Super X Pump, is a shotgun typically used for hunting and self-defense applications. The shell size depends on the caliber of the shotgun. Common shell sizes for shotguns include 12 gauge, 20 gauge, and so on. If you're asking about a specific Winchester SXP model or load, I would need more details to provide an accurate answer. However, generally speaking, the Winchester SXP shotgun can accommodate various shell sizes depending on the model and its intended use. For example, a 12-gauge Winchester SXP would utilize 12-gauge shells, while a 20-gauge version would utilize 20-gauge shells. Could you clarify if you're referring to a specific Winchester SXP model or just the general shotgun line? That way, I can provide a more precise response.