Precision measurement tool that determines chamber headspace and bullet seating depth to 0.001-inch accuracy. Measures from case shoulder datum point for SAAMI-compliant reloading.
The RCBS Precision Micrometer is an essential tool for reloaders who demand accuracy and consistency. This instrument allows you to measure chamber headspace and bullet seating depth to within 0.001 inch—the level of precision necessary for safe, accurate ammunition.
Proper headspace and seating depth are fundamental to safe reloading. Excessive headspace can lead to dangerous pressure spikes and case failures, while improper seating depth affects accuracy and consistency. The Precision Micrometer takes the guesswork out of these critical measurements, giving you the confidence that your loads are safe and optimized for your rifle.
Whether you're a precision rifle competitor or a careful handloader who values accuracy, this tool belongs in your reloading bench.