The Brownells Revolver Range Rod is a tool for checking revolver barrel and cylinder alignment, identifying issues that affect timing and accuracy.
It features interchangeable heads for different calibers, with specific heads for .38/357 Match and Service guns, and a special head for S&W K-22.
The product comes in different kits, including the Master Kit with multiple caliber heads and handles, and the Match Kit for a range of calibers excluding .38/.357 Service and K-22 heads.