Tenebraex Vortex Razor HD Gen II 4.5-27x56 ARD with Flip Cover Kit Black. Tenebraexs proprietary XLUME coating absorbs light further reducing the potential for glint or reflections. Our 2 honeycomb ARD outperforms a 6 sunshade on the objective end. Premium performance reduced size. Specifications for Tenebraex Flip Cover Kit with Anti-Reflection Device for Vortex Razor HD Gen II 4.5-27x55: Manufacturer: Tenebraex Color: Black Fit: Vortex Razor HD Gen II 4.5-27x56 Scope Features of Tenebraex Flip Cover Kit with Anti-Reflection Device for Vortex Razor HD Gen II 4.5-27x55 Front flip cover and adapter ring Rear flip cover and adapter ring KillFLASH Anti-Reflection Device Package Contents: Tenebraex Flip Cover Kit with Anti-Reflection Device for Vortex Razor HD Gen II 4.5-27x55 Tenebraex 56KIT-ARDB01: Vortex Razor HD Gen II 4.5-27x56 ARD with Flip Cover Kit Black