Patent ID: 8001714

Claim:
A system comprising: a scope sized and configured to be connected to a gun, the scope including an adjustment dial sized and configured to move among a plurality of positions to configure the scope to compensate for projectile drops associated with a range of distances to a target, the adjustment dial comprising: a first set of dial-calibration data comprising at least one distance indicator to indicate a distance from the gun to the target; and a second set of dial-calibration data comprising at least one windage hold-off indicator to indicate a hold-off for a given distance; wherein the windage hold-off indicators indicate the hold-off when the adjustment dial is adjusted according to the distance between the gun and the target; wherein the adjustment dial includes a turret with the first set of dial-calibration data and the second set of dial-calibration data, the turret sized and configured to be connected to and disconnected from a portion of the scope; and a second turret sized and configured to be connected to and disconnected from a portion of the scope, the first and second turrets sized and configured to be interchangeably used with the scope, the second turret-comprising: a first set of dial-calibration data comprising at least one distance indicator to indicate a distance from the gun to the target; and a second set of dial-calibration data comprising at least one windage hold-off indicator to indicate a hold-off for a given distance; wherein the windage hold-off indicators indicate the hold-off when the adjustment dial is adjusted according to the distance between the gun and the target.