SB Tactical 590SBL01SB Shotgun Brace Mossgerg 590 Shockwave Complete Kit 11.75" L x 1.6" 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 SBL pistol stabilizing brace 7075 aluminum STDT pistol receiver extension, ERGO Flat Top SUREGRIP, ERGO Mossberg 590 adapter, and a castle nut.