Description
The 590M Shockwave Breacher is built for shooters who want serious 12-gauge capacity in a compact, maneuverable package — home defense, vehicle use, and close-quarters training are the natural fits. Where a traditional tube magazine caps your round count and slows reloads, the 590M’s detachable double-stack magazine lets you swap in a fresh load without working through a tube, which changes the calculus on sustained fire meaningfully. The included 10-round magazine ships with the gun, and additional magazines can be added without any gunsmithing.
The bird’s head grip is the defining trade-off of this platform. It keeps overall length short and puts the shooter’s hand in a neutral position that suits tight spaces, but it also means technique matters more than it would with a conventional stock — wrist and arm position affect how consistently you manage the pump stroke and absorb recoil. Shooters who train with it adapt quickly; it rewards deliberate practice. Twin action bars reduce the chance of binding under stress or with irregular grip pressure, which matters when the gun is being run without a buttstock as a recoil brace.
Steel-to-steel lockup and dual extractors are Mossberg’s standard on the 590 series, chosen for durability under high round counts and with varied ammunition. The M-Lok forearm lets you add a light or other accessories without replacing the forend entirely. The Parkerized finish provides corrosion resistance without a reflective surface, which suits the tactical role this platform is designed around. The front bead sight is appropriate for the distances at which a gun of this configuration is most useful, keeping the sight picture fast and uncluttered.
Shipping and availability: This item must ship to a licensed FFL dealer for transfer.




