How to Measure Firing Pin Protrusion on a Bolt Action Rifle | MidwayUSA Gunsmithing
This guide details how to measure firing pin protrusion on a bolt action rifle, a critical step for ensuring firearm safety and reliability. Expert instructor Larry Potterfield demonstrates the use of a specialized gauge and digital calipers to accurately determine protrusion, emphasizing the importance of comparing the measurement against manufacturer specifications. Proper protrusion ensures reliable primer ignition without piercing the primer cup.









