The Winchester SX4 Defender is a compact semi-automatic 12 Gauge autoloader designed for versatile field and defensive use. It pairs an 18.5″ barrel with Winchester’s Active Valve gas system for reliable cycling across a wide range of loads. The firearm features a synthetic pistol-grip stock in Woodland camouflage and an FDE Cerakote finish on the receiver and metalwork.
Key Specifications
- The gauge is 12 Gauge.
- The action is Semi-Auto.
- The barrel measures 18.5 inches.
- The maximum chamber size is 3 inches.
- The overall length is 39.5 inches.
- The weight is listed as 7.12 pounds.
- The stock material is synthetic in a camouflage finish.
- Includes three Invector-Plus choke tubes: F, M, IC.
- The receiver is FDE Aluminum Alloy and includes a Picatinny optics rail.
- Sights are LPA front and ghost ring rear with a Crossbolt safety.
Built for straightforward, dependable performance, the SX4 Defender balances compact handling with features that support practical shooting tasks — from close-range sport matches to hunting and general-purpose carry in outdoor settings. Its combination of a short barrel, ergonomic pistol-grip stock, pistol-length controls, and standard Invector-Plus chokes make it a versatile option for users seeking a durable, serviceable semi-automatic shotgun with modern sighting and mounting options.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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