Achieving proper headspace is crucial for both safety and accuracy in rifle reloading. Lyman's case length/headspace gauge provides an easy and effective solution for verifying that your resized bottleneck rifle cases meet the correct specifications. Simply insert your case into the gauge, and it will confirm that the headspace remains within the allowable range. The gauge also helps you identify cases that exceed the maximum length, ensuring optimal performance. Any case with excessive headspace should be destroyed immediately for safety. Lyman's gauges ensure you're always working with precise, reliable cases.

• Verifies case headspace
• Detects instances of prolonged duration