The folks at Mossbergknow that if your home-defense strategy involves a shotgun, then no doubt you've wondered if your defensive shotgun has enough ammunition capacity for all eventualities. That's why they've created the new 590M pump-action shotgun with a detachable, double-stack box magazine. The 590M comes with a standard 10-round magazine, but 5,15 and 20 are also available to consumers. With the time-tested platform of the 590M behind this innovation, you'll have all the assurance of Mossberg's reliable pump action bolstered by more backup shells than you knew were possible. Shooting Illustrated's Jay Grazio met with Mossberg's Linda Powell at the 2018 SHOT Show Media Day at the Range to learn more...check out this video for more details!