The Vortex Crossfire II 3-9x40mm riflescope with the V-Plex reticle features long eye relief, a fast-focus eyepiece, fully multi-coated lenses and resettable MOA turrets. The single-piece tube is constructed from aircraft-grade aluminum and hard anodized for durability, and is nitrogen purged and o-ring sealed for waterproof/fogproof performance.