The Rimrock actions were designed by Gary Amatrudo and Jim Borden. The actions were designed to achieve better accuracy and precision in Benchrest, Varmint and Hunting Rifles. The Rimrock SSR and LSR actions are also made to be used in stocks inletted for Remington 700 Actions.
The R-Bix Modified Rimrock Hanger for Bix’N Andy Triggers, has been modified for those people who would like to use a Bix’N Andy trigger with their Rimrock Actions. Each hanger comes with two pins for mounting the trigger to the hanger.