Here is data on a 168 from Alliant . They show no data for the 165s.

30-06 Springfield * Speer 168 gr BTHP * Reloder 17 * Fed 210 CaseMinimum OAL
(inches)Bbl LengthPrimerPowderCharge Weight
(grains)
Velocity (fps)
Winchester 3.295 22 Fed 210 Reloder 17 56 2,850

This velocity of 2850 is not special on its own. Nosler #6 shows over 3000 fps with RL22 in a 24" bbl.