Precision Micrometer - RCBS 308Win

With a few twists of the Precision Mic 308Win and you'll know your chamber headspace and bullet seating depth to 0.001 of an inch. The Precision Micrometre measures from the datum point on the cases holder to the base, giving you spot-on SAAMI tolerance readings. An indispensable tool for safe, accurate loads that extend the life of your rifle brass.

Determines chamber headspace and bullet seating depth to 0.001-inch, Measures from the datum point on the cases holder to the base, giving reloaders spot-on SAAMI tolerance readings