Testing a Colt SOCOM AR-15 Barrel (Groups, Borescope, Headspace, etc)
This comprehensive guide details the expert-level inspection and testing of a Colt SOCOM AR-15 barrel, as demonstrated by Preston Moore. It covers detailed physical inspections using precision tools like micrometers and borescopes, followed by rigorous range testing with a structured 30-shot methodology. The analysis includes group sizes, velocities, and comparisons between different ammunition types, offering valuable insights for AR-15 owners and enthusiasts.












