RCBS Precision Mic .260 Remington

Precision Mic .260 Remington by RCBS Product Overview FALSEw offers the Precision Mic .260 Remington. The Precision Mic .260 Remington is a tool for determining what the actual headspace of your rifle is based on a fired case. You simply unscrew the Precision Mic and insert your fired cartridge and turning until it is completely closed on the shell casing. This is the proper measurement for your rifles chamber. You take that number and FALSEw you can set your sizing die up to properly resize your brass. After resizing and you can use the Precision Mic to make a final check of the brass to ensure it reads 0 and or SAAMI spec for the .260 Remington cartridge. Specifications and Features: Determines Fired Case Headspace Checks Head Space to SAAMI Tolerances Micrometer Style Reading