The Ithaca Model 37 is a bottom-ejecting pump-action shotgun known for its smooth action and military use, manufactured continuously since 1937 making it one of the longest-produced American pump shotguns. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1937, USA Weight: 56 oz Overall length: 47.9" Status: production Military use: Yes Intended use: hunting,military,law-enforcement,home-defense