The Mossberg 590 Shockwave in .410 bore is the most manageable and compact version of the Shockwave series, with minimal recoil and a 5-round capacity for .410 shells. It retains the non-NFA legal classification of the 12 and 20 gauge variants. Type: Shotgun Action: Pump-Action Caliber: 410 Bore Capacity: 5 Year introduced: 2019, USA Weight: 4.25 oz Overall length: 26.37" Status: Active Intended use: Home Defense/Novelty