The Brownells Revolver Range Rod is designed to check revolver barrel and cylinder alignment, and diagnose issues with the cylinder crane or yoke.
Heads are interchangeable and come in different sizes, including a special head for the S&W K-22, to accommodate various calibers and precision requirements.
The product offers different kits, including a Master Kit and Match Kit, with various head sizes for different calibers, and an Add-On Kit for expanding existing sets.