Reclaim the lost space in the standard mil-spec hollow handgrip of the M4/M16 rifle. The Grip Kit was developed for lightweight special operations. Installation can be done in seconds without ever removing the grip. With the Grip Kit, bore clearing and cleaning can be accomplished in seconds. This cleaning system contains the essential tools to quickly clean the receiver, chamber, neck and bore. The obstruction remover is used to knock out bore obstructions and stuck cases. All components come neatly packed in the Grip Kit. Comprehensive instructions, along with these tools, will help educate and give you flawless performance in mission critical situations.