A 1987 Hercules data pamphlet lists the following RL7 loads -

6.5x55
Hornady 129gr. SP - 28.2 gr. - 2305 fps - 42600 c.u.p.
Hornady 160gr. RN - 27.3 gr. - 2100 fps - 43300 c.u.p.

.223 Rem....