The Radikal NK-1S is a shorter-barreled variant of the NK-1 AR-platform semi-automatic shotgun with a 14-inch barrel and registered as an NFA Short-Barreled Shotgun. Same gas-operated action and AR-compatible lower as the standard NK-1. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 5 Year introduced: 2020, Turkey Weight: 88 oz Overall length: 32.5" Status: Active Intended use: home_defense, tactical