The Mossberg 51608 590S Compact is a pump-action 12 Gauge shotgun built for compact handling and reliable operation. It is designed for close-quarters roles such as home defense and duty use, while remaining practical for routine range sessions. The model features a synthetic stock and a receiver drilled and tapped for optics or accessories, offering adaptability without adding unnecessary weight.

Key Specifications

• The manufacturer is Mossberg and the model is listed as 51608 (590S Compact).
• This configuration is chambered for 12 Gauge shells as stated in the product name.
• The action type is a pump action, consistent with the 590S Compact designation.
• The barrel measures 18.50 inches, providing a compact balance for close-quarters handling.
• The 590S series cycles 1.75″, 2.75″, or 3″ shotshell lengths without a mini-shell adapter.
• The receiver is drilled & tapped to accept optics or mounting interfaces for accessories.
• The stock is a synthetic construction aimed at durability and weather resistance.
• Capacity information is listed as 9+1 in the model name, while the product notes also list factory capacities of 5+1, 6+1, and 9+1 depending on configuration.

The 590S Compact balances a short overall length with a receiver laid out for accessory mounting, making it a practical choice for users who need a controllable, durable shotgun for home defense, duty, or the range. Its ability to cycle multiple shell lengths increases its operational flexibility in everyday use. For shooters seeking a compact pump shotgun with modern mounting options, this Mossberg 590S variant provides a straightforward, purpose-driven platform.