The Model 37 Defense applies Ithaca's bottom-ejection pump to a defensive 18.5-inch configuration with synthetic stock and cylinder bore. Used by numerous police departments through the 1970s and 1980s before Mossberg and Remington dominated the law enforcement segment. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 6 Year introduced: 1970, USA Weight: 80 oz Overall length: 38.5" Status: Active Intended use: Home Defense, Law Enforcement