Vortex Crossfire 3-12X56 V-brite AoVortex Crossfire 3 12X56 V Brite AO Riflescope Vortex Crossfire 3 12X56 V Brite AO riflescope is engineered for hog hunting in the lowest light. This mission specific optic delivers bright, sharp images from dusk till dawn, with a 56 mm objective and a rugged 30 mm tube that keeps shots precise in heavy cover. Built to endure hard use, it combines practical features with a robust construction so you can rely on your aim when every second counts.