Winchester Super X3

Winchester Repeating Arms · Shotgun · Discontinued · 2006

Weight (empty)3175 g (112.0 oz)
Overall Length1245 mm (49.02")
Barrel Length711 mm (27.99")
Magazine Capacity4 rounds
Action TypeGas Operated
Firing MechanismHammer Fired
Effective Range40 m (44 yd)
Frame MaterialAluminum

Primary Caliber: 12 Gauge

The Winchester Super X3 (SX3) was a gas-operated semi-automatic shotgun produced from 2006 until 2018, renowned as one of the fastest-cycling and lightest-recoiling autoloaders of its era. Built by FN in Belgium, the SX3 used Winchester's Active Valve gas system, which automatically self-adjusts gas pressure to reliably cycle any load thrown into the chamber, from light target shells to heavy 3.5-inch magnums. Its .742-inch back-bored barrel optimized shot uniformity and velocity, while an ultra...

Country of Origin: United States