Vortex Crossfire II 6-18x 44; 1 inch tube

Vortex Crossfire II 6-18x 44mm Rifle Scope - A 1 inch tube diameter.

Fully Multi-Coated: Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces
Second Focal Plane Reticle: Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification
Single-Piece Tube: Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness
Aircraft-Grade Aluminum: Constructed from a solid block of aircraft-grade aluminum for strength and rigidity
Waterproof: O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments
Fogproof: Nitrogen gas purging prevents internal fogging over a wide range of temperatures
Shockproof: Rugged construction withstands recoil and impact
Hard Anodized Finish: Highly durable hard-coat anodization provides a low-glare matte surface and helps camouflage the shooter's position
Adjustable Objective: Adjustment for riflescope's objective lens provides image focus and parallax removal
Fast Focus Eyepiece: Allows quick and easy reticle focusing