Ballistics are the same as those of the 7x64, which is the rimless twin. My 7x64 petload of 160 GK / N 160 / 56.0 (CCI 250 pr.) clocks at 2815 ft" (NB.: 1.3 gn below max but averages .75 MOA out of my Sauer 202). RWS 7x65R factory tables list :
123 x 3051 ft"
154 x 2838
162 x 2854
173 x 2723
177 x 2690