Hornady Lock-N-Load Cartridge Gauge, quickly check the make sure your cartridges will fir in a SAAMI Chamber. The gauges are precision machined from durable steel for a lifetime of use. Born out of one man's vision of a better product for his own use, Hornady has been a leading supplier of the finest reloading accessories and components for over sixty years.

Specifications and Features:
Hornady 3807123
Cartridge Gauge 7mm Rem Mag
SAAMI specification
Steel