The Mossberg Shockwave is a 14-inch barreled firearm with a bird's head grip classified as a firearm rather than a short-barreled shotgun under federal law. Designed for close-quarters use. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 2017, USA Weight: 5.25 oz Overall length: 26.37" Status: Active Intended use: Home Defense / Specialty