Shooting the Zan .217 40 grains, at 970 fps, 150 bar on 2nd reg, delete the reg upfront, 250 bar fill, refill at 150, good for 2 mags with 700 cc bottle. 6 on the power wheel, 3 on micro adjust, valve all the way open, laser beam. Zero at 35 yrds, same hole to ragged, half MOA at 105 yrds...