RCBS Precision Micrometer 6mm GT - 88335

The RCBS Precision Micrometer measures chamber headspace and bullet seating depth to 0.001-inch accuracy by measuring from the datum point on the case shoulder to the base. This tool provides spot-on SAAMI tolerance readings essential for safe, accurate reloads that extend the life of rifle brass. The micrometer requires only a few twists to determine critical measurements for precision reloading.