.223 & .308 (US Surplus), .17 HMR, .17 Mach 2, .22 WMR, .22 LR HV and .22 LR Subsonic ballistic drop trajectories have all been studied and the data used to make the most accurate reticles to date.
So if you wish to shoot out to your rifles potential, a Hawke X-ACT reticle scope is the perfect choice.