Designed for use with 10mm Auto ammunition used in the Ruger GP100 Match Champion. These full moon clips are made from .032-thickness stainless steel and function as a speed loader as well as to assure positive ejection. The Moon Clips have an optimized charge hole design for positive ejection over a wide range of 10mm Auto ammunition. The easy to load full moon clips act as a speed loader for quick reloads. The design allows for loading and unloading without the use of a moon clip tool. Sold in a three pack.