Order to build Mossberg, 590 Shockwave, 12 Gauge, Stand Off 14.375" Barrel, Matte Blued Finish, Raptor Grip, Side Saddle w/5 Shell Holders, 3" Chamber, Cylinder Bore Choke, 5Rd, Bead Sight pistol grip mesa tactical adaptor ar15 Mil Spec Buffer Tube Choice of Brace