Vortex Optics Crossfire II Second Focal Plane, 1-inch Tube Riflescopes The 3-9x50 Crossfire II Riflescope is one of many configurations in the Crossfire II line. The v-brute reticle uses the v-plex Format with battery-powered electronics to illuminate the center dot for hunters/Shooters during extra-low light conditions. With long eye relief and an ultra-forgiving Eye box, you'll be able to quickly get a sight picture and acquire your target. The fast focus Eyepiece allows quick and easy reticle focusing. Anti-reflective, fully multi-coated lenses provide bright and clear views for the user. Capped reset turrets are finger adjustable with MOA clicks that can be reset to zero after sighting in. A single piece tube constructed from aircraft grade aluminum ensures strength and shockproof performance. O-ring sealed and Nitrogen purged, the Crossfire II delivers waterproof and Fog proof performance.