Vortex Optics VIPER HS LR 6-24X50 RIFLESCOPE — First Focal Plane User Manual | Page 3 / 11 | Original mode | Also for: VIPER HS LR 4-16X50 RIFLESCOPE — First Focal Plane, 6-24x50 Viper HS Long Range Riflescope (XLR FFP)