The Winchester SX4 Extreme Defender is a versatile 12 Gauge semi-automatic shotgun built for a range of field and defensive roles, from competition stages to woods duty. It is equipped with an 18.5-inch barrel and the self-adjusting Active Valve gas system for consistent cycling across varied loads. The shotgun ships with a synthetic pistol-grip stock in woodland camouflage and includes three Invector-Plus choke tubes for patterning flexibility.
Key Specifications
- The action is Semi-Auto.
- The gauge is 12 Gauge.
- The barrel measures 18.5 inches.
- The overall length is 39.5 inches.
- The weight is 7.12 lbs.
- The stock is synthetic woodland camouflage with pistol grip.
- The capacity is 4- 2.75″ Shells.
- Chokes included are Full / Improved Cylinder / Modified (Invector-Plus).
- The sights are LPA front and ghost-ring rear.
- The receiver is FDE aluminum alloy with Picatinny rail.
Built with reliability and adaptability in mind, the SX4 Extreme Defender combines a hardy FDE Cerakote finish, chrome-plated chamber and bore, back-bored technology, and an Active Valve gas system to handle a broad range of loads. Its optics-ready receiver, three-comb inserts, sling swivel studs and included choke set make it a practical choice for shooters who need a durable, ready-to-configure shotgun for field use, competition, or general utility.
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