Colt Optics 4.5-27x56mm 34mm Rifle Scope First Focal Plane Colt HXT-28 MRAD Reticle Black. 5-27x56mm with MRAD reticle and 34mm single-piece 6061 aluminum tube. Zero stop and locking elevation turret locking windage turret and an illuminated red reticle. Specifications for Colt Optics 4.5-27x56mm 34mm Rifle Scope First Focal Plane: Manufacturer: Colt Optics Objective Lens Diameter: 56 mm Magnification: 4.5 - 27 x Reticle: MRAD Tube Diameter: 34 mm Reticle Focal Plane: First Focal Plane (FFP) Illumination Color: Red Adjustment Type: Mil Rad Features of Colt Optics 4.5-27x56mm 34mm Rifle Scope First Focal Plane Telescopic Colt HXT-28 MRAD Reticle Package Contents: Colt Optics 4.5-27x56mm 34mm Rifle Scope First Focal Plane Sun shade Flip Caps Colt Optics V310-101: 4.5-27x56mm 34mm Rifle Scope First Focal Plane Colt HXT-28 MRAD Reticle Black