The REVOLVER RANGE RODS by BROWNELLS are designed to check revolver barrel and cylinder alignment, and identify issues with cylinder crane or yoke.
Interchangeable heads for different calibers are available, with specific options for Match and Service guns, including a special head for S&W K-22.
The product comes in various kits with handles and heads for calibers ranging from .17 to .45, including a Master Kit and Match Kit, with instructions and storage options.