The Winchester SX4 Sporting is the competition-focused variant with a 30-inch back-bored barrel, Invector-Plus choke system, and signature red fiber optic front bead. Its adjustable stock comb and competition-grade trigger make it competitive against Italian sporting guns at a lower price point. Type: Semi-Auto Shotgun Action: Gas-Operated Caliber: 12 Gauge Capacity: 4 Year introduced: 2018, Belgium/Japan Weight: 7.1 oz Overall length: 51" Status: Active Intended use: Sporting Clays, Skeet, Competition