Leupold VX-R Riflescope Metric 4-

Quantum Optical System. Index Matched Lens System. Proprietary FireDot fiber optic illumination features eight intensity settings and Motion Sensor Technology (MST). One-turn non-locking eyepiece allows for a wider spectrum of visual acuity even in diminishing light and smooth adjusting. Alumina rubber eyepiece guard included. Twin Bias Spring Erector System features 30% more holding force and crystal clear image. 2nd Generation Argon/Krypton Waterproofing.