Vortex Crossfire II 4-16x50 AO Riflescope (Dead-Hold BDC MOA Reticle) with Cap and Riflescope CoverVortex Crossfire II 4 16x50 AO Riflescope Vortex Optics riflescopes boast extreme durability, high mechanical precision, and superior high definition optics. The Crossfire II 4 16x50 AO Riflescope was carefully crafted and meticulously designed to make this rifle scope the ideal optical solution for long range applications. The Crossfire II 4 16x50 AO Riflescope (Dead Hold BDC MOA Reticle) brings you exceptional image quality thanks to the optical