The TUBE RAIL KIT, part number BT33 consists of a Steel Bar Nut that is designed to fit inside free float tubes and a low profile 1913 Picatinny rail 2.050" long with a 1.00 radius back and 1.602 betw
• Ideal for radios and small hardware• Great for mounted and dismounted environments where having a radio, GPS, knife, and second mag with easy access is critical• Inner pouch for maps and docum