The Krieghoff K-20 is the 20-gauge variant of the K-80, built on a scaled receiver to provide the proper proportions and balance for the smaller bore. The 30-inch Sporting configuration is the primary sub-gauge competition choice. Type: Shotgun Action: Over/Under Caliber: 20 Gauge Capacity: 2 Year introduced: 2002, Germany Weight: 7.2 oz Overall length: 47" Status: Active Intended use: Sporting Clays, Sub-Gauge Competition, FITASC