The M1 Garand's Mysterious 7th Round Stoppage
This guide details the technical fix for the M1 Garand's notorious 7th round stoppage, a flaw discovered during mass production. Expert Ian McCollum explains how a specific cut during barrel drilling impacted the guide rib, leading to misfeeds. The solution involved restoring the guide rib through welding and adjusting manufacturing processes, highlighting critical shop-floor insights.











