4-16x50 IR 2nd Generation Sniper Scope -100% Waterproof and fogproof -Extra rigid shockproof construction -Multi-Coated optics -Illuminated red and green mil-dot Reticles -30mm tube construction -Easy-grip target-style windage and elevation adjustments -Side Parallax Adjustment -1/8 MOA click adjustment -Built-in sniper edged sun-shade is set back in the housing to allow the sun shade to cast a shadow and reduce glare for use in bright sun -Precise and easy-to-use for tactical environments -Fast focus eyebell -Includes protective scope caps and set of rings -Limited Lifetime Warranty Sniper scopes are designed for high-resolution sighting of distant targets where precision is an absolute necessity. Windage/elevation adjustments are performed by moving the external target style turrets. After the scope is adjusted to your specific shooting distance you can then re-zero the turret. charts, a small screw at the top–side of the turret can be loosened and the chart can be reset to zero. The multi-coated lenses a Type: Gun Scopes Parts: Limited Lifetime Warranty Labor: Limited Lifetime Warranty