The original Browning Auto-5 in 12 gauge, designed by John Moses Browning and produced from 1902 to 1998. The first successful semi-automatic shotgun, using a long-recoil operating system that became the template for semi-auto shotgun design. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 4 Year introduced: 1902, Belgium Weight: 86 oz Overall length: 49" Status: Discontinued Intended use: Hunting, Collecting, Military