When gold tip went away from the laser series and started making the ballistic series here is exactly what they didI got some of those way back myself when they did away with the laser series, I did like the Laser III pro, but these ballistics, just like you say will not shoot well out of the ls 390.
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They changed the label
A few years ago Easton had a vertical arrow called the injexions they changed the name to 4mm axis
Carbon express used to do the same thing