The Mossberg 590S cycles 1.75", 2.75", or 3" shells interchangeably without adapters. This optic-ready pump shotgun features dual extractors, twin action bars, ambidextrous safety, and a 9-round capacity with matte blue finish.
The Mossberg 590S represents a significant advancement in pump-action shotgun design. Its most distinctive feature is the ability to cycle three different shell lengths—1.75", 2.75", and 3"—without modification or special adapters. This flexibility allows you to select the appropriate load for your specific shooting application or mix shell lengths in the same magazine.
Whether you're preparing for home defense, sport shooting, or tactical training, the 590S delivers the reliability Mossberg is known for with modern versatility. The ability to load different shell lengths simultaneously means you can optimize your ammunition selection for each shooting scenario without changing firearms or magazines.