Marine-grade nickel-treated M2 Tactical for maritime law enforcement and coastal security applications. The H2O treatment extends corrosion resistance beyond the standard M2 Tactical to handle sustained saltwater exposure. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 5 Year introduced: 2008, Italy Weight: 71 oz Overall length: 39.75" Status: Active Intended use: Tactical, Law Enforcement