Is Your AR-15 Overgassed or Undergassed? (How to Check + Fix It)
This guide, presented by an experienced firearms instructor, details how to diagnose and fix AR-15 gas system issues. It covers identifying overgassed and undergassed symptoms through brass ejection patterns and provides mechanical solutions like adjustable gas blocks, buffer swaps, and BCG upgrades. The instruction emphasizes understanding dwell time and unlock angles for optimal performance, especially with suppressors.












