MARK 4HD 1-4.5X24 30MM FD BDC SECOND FOCAL PLANE Manufacturer Model Number: 183315 Manufacturer: Leupold Model: Mark 4HD Type: Accessory-Scopes Item Type: Optic Finish: Matte Overall Length: 11.2" Weight: 24 oz. Shipping Weight: 1.6 Feature: M1C3 Zero Lock Adjustments Feature: Twilight Max HD Light Mgmt. Feature: Second Focal Plane (SFP) Optic Magnification: 1X - 4.5X Optic Maintube: 30mm Objective Size: 24mm Optic Adjustable Objective: false Optic Adjustments: 1/10 MIL Optic Reticle: Firedot BDC Reticle Optic Reticle Illuminated: true