" Heavy duty one piece main tube provides the foundation for precise lens alignment and other componentsbr Extended-range tactical riflescope with 6-25x magnification and 56mm objective lensbr Illuminated Mil-DotBar reticle precision controls with 140 MOA adjustmentbr The use of water resistant sealants synthetic grease and secure O-ring seals protect against foggingbr 35mm tube diameter includes mounting rings matte black finish br Ade Advanced Optics 6-25X56 35mm Long Range Rifle Scope Illuminated Mildot Bar"