Mossberg 590 Shockwave Pump Shotgun – 12 Gauge 3″ Chamber, 18.5″ Barrel, Cylinder Bore, 6-Round Capacity, California Compliant

The Mossberg 590 Shockwave CA is a rugged, defensive-focused pump-action shotgun built specifically to meet California compliance requirements while still delivering the proven durability and tactical performance of the Mossberg 590 platform. Designed for shooters who want a reliable home defense shotgun in a legal full-length configuration, this model combines compact handling with increased magazine capacity and trusted Mossberg engineering.

Chambered in 12 gauge with a 3″ chamber, the 590 Shockwave CA is capable of running a wide variety of defensive and hunting loads, from standard buckshot to heavier magnum shells. The 18.5″ barrel provides excellent maneuverability while maintaining the traditional shotgun profile required for California approval.

This model features a black finish with a cylinder bore configuration, making it well-suited for close-range defensive applications. A bead sight provides fast, intuitive target alignment, while the 6-round magazine capacity offers dependable firepower for home and property protection.

Built with Mossberg’s legendary pump-action reliability, the 590 Shockwave CA is an outstanding choice for shooters seeking a compliant defensive shotgun that maintains the strength, smooth cycling, and rugged performance Mossberg is known for.

Use Cases & Applications

California-compliant home defense shotgun ownership

Personal protection and close-quarters defensive use

Property, ranch, and security applications

Shooters seeking a reliable pump-action 12 gauge platform

Defensive shotgun users wanting increased 6-round capacity

Key Benefits

California-approved configuration for compliant ownership

Legendary Mossberg 590 pump-action reliability and durability

12 gauge 3″ chamber supports a wide variety of defensive and magnum loads

18.5″ barrel offers compact maneuverability with legal compliance

Cylinder bore ideal for close-range defensive applications

6-round magazine capacity provides dependable defensive firepower

Bead sight enables quick, intuitive target acquisition

Rugged black finish built for hard-use environments

Technical Details

Manufacturer: Mossberg
Model: 590 Shockwave CA Approved
Action Type: Pump-Action Shotgun
Gauge: 12 Gauge
Chamber: 3″
Barrel Length: 18.5″
Finish: Black
Choke: Cylinder Bore
Magazine Capacity: 6 Rounds
Sight: Bead Sight
Compliance: California Approved
Part Number: 50639
Ideal Usage: Home Defense and Tactical Applications

FFL Transfer Notice

This item is a firearm and must be shipped to a Federal Firearms License (FFL) dealer for transfer in accordance with applicable laws. Please ensure you select a valid FFL dealer before checkout.