The Winchester Model 1200 in 12 gauge with 28-inch barrel was the predecessor to the Model 1300, introduced in 1964 as a modernized replacement for the Model 12. It was a significant commercial success and established the rotating-bolt pump shotgun formula that Winchester would refine into the 1300 and SXP. A classic American field shotgun of the Vietnam era. Type: Pump Shotgun Action: Pump-Action Caliber: 12ga Capacity: 4 Year introduced: 1964, USA Weight: 6.25 oz Overall length: 48.5" Status: Discontinued Intended use: Hunting