Excalibur Tact-Zone Illuminated Scope, 2.5-6x32mm Excalibur Crossbow Crossbow Scope TACT-ZONE Scope 2.5 1964 6X32mm 30mm tube Tube Diameter:30mm Reticle Construction:Etched Reticle:Tact-Zone Water/Fogproof:Yes Shockproof:Yes