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Mfg Item #: 100 Rounds
RocketFire 300SUB is really a magical round. It's a subsonic AR round for the 300BlackOut platform with a 200gr projectile. Crazy powerful and still controllable and if you know what it is and need it, like everything else we do, RocketFire makes this one great, too.
1,050 ft/sec Exit Velocity ~ PowerFactor 210