Otis Technology is the name to trust when it comes to clean your firearm. This multi-caliber cleaning kit is the ideal kit for the marksman on the go. If you are in need of a compact all in one kit that can be stored in a range bag or on a MOLLE vest this is the kit for you. The kit is designed to be able to clean and service AR-15's chambered in 5.56mm NATO and any sidearm chambered in 9mm. It also includes a bonus lens cleaning and optics cleaning set of accessories.