What's that screw? CMMG P3 explained
This guide details the installation and function of the CMMG P3 (Personal Position Preset) Screw System. The P3 screw, found in the Zeroed grip's storage compartment, installs into the Fastback receiver extension. It allows users to set a predetermined stop position for adjustable stocks or braces like the RipStock and RipBrace, enhancing consistent shouldering. The guide includes specific tool requirements and adjustment methods for both the RipStock and RipBrace.












