This guide details the process of enlarging an AR-15's gas port to improve reliability, a modification performed by the video's speaker on a LaRue Tactical Stealth Upper. The speaker, demonstrating high technical authority, explains this was a last resort after multiple manufacturer returns failed to resolve chronic short-stroking issues, especially in cold weather. The modification, while effective, highlights a significant flaw in an expensive product and underscores the importance of proper gas system tuning for optimal AR-15 function.
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