Ade Advanced Optics 3-30&times;56 Riflescope 10x optical zoom, providing both long and short distance target acquisition Extended-range tactical riflescope with 3-30x magnification and 56mm objective lens Illuminated Reticle: Red or Green; 1/8-inch click MOA The use of water resistant sealants, synthetic grease and secure O-ring seals protect against fogging 30mm tube diameter; includes mounting rings; matte black finish, Life time warranty