The SX4 Combo ships with both a 28-inch field barrel and a 22-inch cantilever slug barrel, giving buyers a versatile two-barrel system for upland and deer hunting. Active Valve gas system, 3-inch chamber. A cost-efficient alternative to buying separate barrels after initial purchase. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 4 Year introduced: 2020, Belgium Weight: 90.4 oz Overall length: 49" Status: Active Intended use: Hunting