The Standard Manufacturing SKO-12 is a gas-operated semi-automatic shotgun in an AR-15 profile manufactured in New Britain, Connecticut. Standard Manufacturing entered the AR-style shotgun market after success with the DP-12, offering a more conventional semi-auto configuration with AR compatibility for pistol grips and stocks. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 5 Year introduced: 2019, USA Weight: 106 oz Overall length: 38.5" Status: Active Intended use: sporting, tactical, home_defense