Videos tagged with FRT15 Trigger

This guide details the advanced tuning process for a custom 300 Blackout AR-15 build, specifically focusing on achieving reliable operation with subsonic ammunition. The video, presented by a knowledgeable firearms instructor, covers component selection and adjustment, including gas system tuning with an adjustable block, buffer weight selection, and spring choices. It emphasizes the importance of proper tuning for different ammunition types and highlights potential issues like trigger pin security.