Available at Legit Kit is the Offbase Tigerstripe Seatbelt Chest Rig... "A classic design made modern. The Seatbelt Chest Rig is the kit we loved in the 90s but in the patterns we never had. Features adjustable seatbelt webbing shoulder straps for maximum comfort and a captured waist strap that can't get lost. The Seatbelt rig is meant to hold four standard 5.56 magazines, one in each cell.