The Kel‑Tec KSG410 is a compact bullpup pump-action shotgun chambered in .410 Bore, built for compact defensive use, close-range training, and range recreation. Its bullpup layout shortens overall length while maintaining a full-length barrel, making it suitable for users who need a compact package without sacrificing handling. The design includes dual magazine tubes and an out-of-the-box fiber optic sighting system for straightforward target acquisition.

Key Specifications

• The caliber is .410 Bore, as listed in the manufacturer’s data.
• The action is a Pump Action system for manual cycling and reliable operation.
• The barrel measures 18.5 inches to balance compactness and ballistic performance.
• The overall length is listed as 26.1 inches, reflecting the bullpup configuration.
• The unloaded weight is listed as 5.4 pounds for easier handling and carry.
• The chamber accepts 3-inch shells according to the supplied specifications.
• The stock is a synthetic OD Green material described as tactical in style.
• The design uses a dual-tube magazine configuration to provide alternating-feed capability without modifying the receiver layout.

The KSG410’s compact bullpup layout and synthetic construction emphasize maneuverability and durability for users who need a small-profile shotgun for controlled environments such as range use, close‑quarters training, or home defense. Its 3″ chambering and fiber optic sighting system make it practical for a variety of common .410 loads while keeping the package short and manageable. The dual-tube feed gives users flexible magazine management without external modifications.

Note that legal magazine capacity and allowable configurations vary by jurisdiction; some data sources for this item list multiple capacity figures and magazine totals. Where local limits apply, reference state law before purchase or possession. States with 10-round magazine restrictions commonly include: Hawaii, California, Connecticut, District of Columbia, Illinois, Maryland, Massachusetts, New Jersey, New York, Rhode Island, Vermont, Washington, and Colorado.