Cactus Jack 4x32 Tri-Illuminated Rifle Scope w/Fiber Optic Sight 25.4 mm Tube First Focal Plane BDC Reticle Black 4x32 Tri-ILLuminate. 4 mm Tube First Focal Plane equipped to your weapon. Cactus Jack built these Fixed Power Rifle Scopes from rugged and...