This Otis Technology military issued cleaning system is specifically designed to clean and maintain the M2, M107, M82A1, and all other .50 caliber variants. This cleaning system includes two heavy duty .50 caliber Memory-Flex cleaning rods; an 8” extension for the M2 machine gun, and a 40” for .50 caliber sniper rifles. The heavy duty obstruction remover can be used to knock out bore obstructions and stuck cases. Along with the Otis Memory-Flex cleaning rods, the slotted tip, 100% cotton cleaning patches, a bore brush, and CLP allow you to quickly clean the receiver, chamber, neck and bore. This Otis system also contains the blackened scraper tool set. The scraper, rod handles, receiver brush, and a .50 caliber end brush allow for precision cleaning of the bolt, bolt face, upper and lower receivers, and the chamber. Also included is a stylus pen light and a multi-tool. All components come neatly packed in a black nylon ULT case, complete with additional storage pockets on the outside, and a MOLLE belt attachment. Comprehensive instructions, along with these tools, will help educate and give you flawless performance in mission critical situations.