A complete kit, ready-to-assemble on your mossberg 590 shockwave, which greatly enhancing the usability of the firearm by adding a third point of contact.It features a sbm4 pistol stabilizing brace, 7075 aluminum stdt pistol receiver extension, ergo flat top suregrip, ergo mossberg 590 adapter, and a castle nut.

Finish: Black
Type: Brace
Model: Mossberg 590 Shockwave
Dimensions: 10.25″ L x 2.1″ W
Material: Elasto-Polymer