The 18.5-inch 590 provides a shorter, more maneuverable configuration with a 7+1 capacity tube. Popular for home defense and law enforcement patrol applications where the slight reduction in capacity is acceptable in exchange for better indoor maneuverability. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 7 Year introduced: 1961, USA Weight: 112 oz Overall length: 39.5" Status: Active Intended use: Law Enforcement, Home Defense, Tactical