Is subsonic 300 Blackout effective?

Asked by Layton Hebert

In terms of hit probability, the Blackout has an effective range of 460 meters. From a 9 in (230 mm) barrel, the 125 gr BLK round has the same muzzle energy as the M855 from the M4, and 5 percent more energy at 440 meters. … 300 BLK rounds are effective out of barrels as short as 4.5 in (110 mm).

Andy Dale, BA Contributor
Andy Dale
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