This expert-level analysis from TFB TV details the terminal performance of Hornady 190gr Sub-X .300 AAC Blackout subsonic ammunition through ballistic gelatin. The test, conducted by an authoritative instructor, highlights expansion characteristics, penetration depths, and retained projectile weights under various conditions, including heavy clothing barriers. The assessment concludes with a critical comparison of subsonic versus supersonic .300 Blackout for self-defense applications.
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