SB Tactical 590SBM401SB Shotgun Brace Mossberg 590 Shockwave Complete Kit 10.25 L x 2.1 W Elasto-Polymer Black

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.