The 590 S (Short Shell) is capable of cycling 1.75-inch mini-shells, standard 2.75-inch, and 3-inch loads interchangeably. The patented Shockwave shell lifter enables reliable mini-shell feeding that previous pump designs could not achieve. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 8 Year introduced: 2020, USA Weight: 7 oz Overall length: 38.5" Status: Active Intended use: Home Defense, Tactical, Hunting