590M MAG-FED PUMP-ACTION 12 GAUGE
12 CALIBER gauge
18.5 BARREL inches LENGTH
5, 10, 15, 20 rounds
Mossberg’s 590M adds a detachable double-stack magazine to its longstanding 12-gauge pump-action shotgun design. Mags rock and lock into place, and with huge 20-round magazines available, that’s a lot of lead at the ready.