B5 Systems SOPMOD Stock

B5 Systems 6-Position Enhanced SOPMOD Stock for AR type Rifles. Originally designed by NSWC Crane for US Special Forces, this stock is built by B5 Systems to Military Standards. Features a removable textured rubber butt pad, 2 waterproof storage tubes and Ambi Sling Swivel Attachment points. Fits Mil. Spec. diameter buffer tubes only.