Winchester® SX4™
Fast, versatile and dependable semi-automatic shotgun
When operators need a shotgun that can adapt instantly to changing scenarios, the Winchester® SX4™ delivers. Designed with military and security missions in mind, it combines speed, reliability and user comfort. Whether countering drones, clearing confined spaces, or responding to close-range threats, the SX4™ provides trusted performance where it matters most.
Key benefits
-
Versatile firepower – accepts both standard 2¾” (70mm) and 3″ magnum (76mm) cartridges, giving flexibility in the field
-
Rapid follow-up shots – semi-automatic action ensures fast, continuous fire in critical moments
-
Reliable in all conditions – Active Valve gas system automatically adjusts to different ammunition for consistent function
-
Built for durability – hard-chromed chamber and bore combined with Cerakote® surface treatment resist wear and harsh environments
-
Reduced recoil – Inflex II butt pad absorbs kickback and improves shooter comfort, even during extended use
-
Ready for modern optics – compatible with red dot sights for faster target acquisition and improved accuracy
Variants & Options
-
Choice of magazine capacities: 2+1 or 4+1 rounds
-
Optional magazine tube extensions for extended firepower (+4 or +6 rounds)
-
Delivered with three interchangeable chokes (¾ IM, ½ MOD, ¼ IC) for tailored shot spread
-
Available in Flat Dark Earth or Black to match operational requirements
-
Barrel lengths from 470 mm (Tactical) to 760 mm (Standard) for mission-specific adaptability
