RCBS Precision Micrometer 7mm Mag - 88319

The RCBS Precision Micrometer measures chamber headspace and bullet seating depth to 0.001-inch accuracy, reading from the datum point on the case shoulder to the base for SAAMI tolerance compliance. This essential reloading tool helps ensure safe, accurate loads while extending the life of rifle brass. Ideal for precision rifle reloaders working with 7mm Magnum cartridges.