Product Overview
The Mossberg 590S Shockwave CA 12 Gauge pump shotgun establishes a new operational standard for adaptable defensive platforms. Engineered to cycle 1.75-inch, 2.75-inch, and 3-inch shotgun shells interchangeably, this system allows operators to precisely select or combine ammunition types based on situational requirements. Its design prioritizes consistent feeding and extraction across diverse shell lengths, including high-capacity mini-shells, while adhering to California compliance regulations. This platform provides a robust and dependable option for demanding applications.
Technical Specifications
Ammunition Versatility
The 590S Shockwave CA is purpose-built to accommodate 1.75-inch, 2.75-inch, and 3-inch shotgun shells. This multi-shell capability enhances tactical flexibility, allowing for an increased capacity of up to 9 rounds when utilizing 1.75-inch mini-shells. The feeding mechanism is calibrated for seamless transitions between varying shell lengths without user adjustment.
Operational Reliability
System reliability is paramount. The 590S incorporates dual extractors to ensure positive case ejection, twin action bars for smooth and consistent pump operation, and a positive steel-to-steel lockup for enhanced structural integrity under recoil. An integrated anti-jam elevator mechanism further mitigates potential feeding malfunctions, ensuring uninterrupted performance.
Ergonomics and Maintenance
A top-mounted ambidextrous safety provides intuitive and accessible control, optimizing for both right and left-handed operators. For routine maintenance and debris mitigation, a magazine clean-out tube with a secure cap is integrated into the design, simplifying field-stripping and cleaning procedures.
Compliance
This specific Shockwave model is configured to meet California compliance standards, providing a legally viable option for operators within the state.
The Mossberg 590S Shockwave CA delivers practical functionality and adaptability. Its robust construction and engineered features confirm reliable operation across a spectrum of applications, from competitive scenarios to essential home defense preparedness.









