Winchester SX4 Defender 12-Gauge Shotgun, 18.5" FDE
Gas-operated autoloader with Active Valve System for reliable cycling across all loads. Features 18.5" barrel, Invector-Plus choke tubes, LPA ghost-ring sights, Picatinny rail, and Flat Dark Earth synthetic stock for tactical versatility.
Winchester SX4 Defender: Tactical Versatility Meets Reliability
The SX4 Defender represents Winchester's commitment to building a shotgun equally at home on the competition course, in the field, or as a home-defense tool. This is a working shotgun designed for shooters who demand performance without compromise.
Core Features
Active Valve Gas System — The heart of the SX4 is Winchester's proven self-adjusting gas system. It cycles reliably across a wide spectrum of loads, from light target rounds to heavy magnums, without manual adjustment. This means you shoot what you have on hand without worrying about reliability.
Compact, Purposeful Design
- 18.5" barrel for quick handling in tight spaces
- Pistol-grip stock with textured surfaces for secure purchase
- Reversible crossbolt safety accessible to both left and right-handed shooters
- Drop-out trigger group for easy maintenance
Sighting and Accessory Options
- LPA ghost-ring rear sight for fast, accurate target acquisition
- Picatinny rail for mounting optics or tactical lights
- Invector-Plus choke tube system with three tubes included (Full, Modified, Improved Cylinder)
Construction and Durability
The barrel and aluminum receiver wear matching Cerakote finish in Flat Dark Earth, a color that works equally well in urban and outdoor environments. The chamber and bore are chrome-plated for corrosion resistance and longevity. Back-bored technology reduces felt recoil and improves pattern density.
The Bottom Line
The SX4 Defender is built for the shooter who refuses to compromise between reliability, ergonomics, and adaptability. Whether you're running a 3-gun match, hunting upland game, or maintaining home security, this shotgun delivers.
Features
- gauge: 12
- chamber length: 3"
- barrel length: 18 1/2"
- overall length: 39 1/2"
- length of pull: 14 1/4"
- weight: 6 lbs 14 oz
- magazine capacity: 4, 2 3/4" shells
- finish: flat dark earth cerakote for barrel, stock, and receiver
- chrome plated for chamber and bore
- chokes included: full, modified, improved cylinder
- choke system: invector-plus flush
- choke wrench included: flat wrench
- invector plus choke system
- picatinny rail
- sling swivel studs
