This sbm4 complete kit, is ready-to-assemble on your mossberg 590 shockwave, greatly enhancing the usability of the firearm by adding a third point of contact for stabilization.It includes: sbm4 pistol stabilizing brace; stdt-c pistol receiver extension; ergo flat top suregrip and mossberg 590 adapter; castle nut; adjustable nylon strap.This model is compatible with your 410 gauge 590 shockwave.

Rails: Black
Type: Pistol Stabilizing Brace
Firearm Type: Specialty Brace
Firearm Model: Moss 590 Shockwave
Material: Elasto-Polymer
Finish: Elasto-Polymer
Grip Type: Pistol Grip