Sound Comparison - 150gr 300 Blackout VS 220gr Subsonic 300 Blackout | Palmetto State Armory
This video provides an audible and visual comparison between supersonic and subsonic 300 Blackout ammunition when fired through a suppressed firearm. The demonstration highlights the distinct sonic crack produced by supersonic rounds breaking the sound barrier, contrasted with the quieter report of subsonic rounds. The speaker, representing Palmetto State Armory, emphasizes that subsonic rounds are optimized for suppressed use to achieve maximum noise reduction.









