MARK 4HD 4.5-18X52 ILL PR1-MIL FIRST FOCAL PLANE Manufacturer Model Number: 183624 Manufacturer: Leupold Model: Mark 4HD Type: Accessory-Scopes Item Type: Optic Finish: Matte Overall Length: 11.2" Weight: 24 oz. Shipping Weight: 2.5 Feature: M1C3 Zero Lock Adjustments Feature: Twilight Max HD Light Mgmt. Feature: First Focal Plane (FFP) Optic Magnification: 4.5X - 18X Optic Maintube: 34mm Objective Size: 52mm Optic Adjustable Objective: false Optic Adjustments: 0.1 Mil Optic Reticle: PR1-MIL Reticle Optic Reticle Illuminated: true