Athlon Optics Ares BTR GEN3J HD 4.5-27x50 30 mm Tube Rifle Scope First Focal Plane APRS13 MIL Reticle Black. The Ares BTR GEN3 acquires a larger new stainless steel turret design just like the Midas TAC and Ares ETR lines. The new turret design features sharper more tactile clicks. Still featuring HD glass a new optical system provides an even brighter and clearer image throughout the magnification range. A one-piece precision machined aircraft-grade aluminum aluminum scope body precision zero stop and impeccable tracking will deliver precise accurate results in any field. Specifications for Athlon Optics Ares BTR GEN3J HD 4.5-27x50 30 mm Tube Rifle Scope First Focal Plane: Manufacturer: Athlon Optics Objective Lens Diameter: 50 mm Magnification: 4.5 - 27 x Tube Diameter: 30 mm Reticle Focal Plane: First Focal Plane (FFP) Field of View Linear: 3.8 - 22.7 ft at 100 yds Eye Relief: 3.9 in Color: Black Features of Athlon Optics Ares BTR GEN3J HD 4.5-27x50 30 mm Tube Rifle Scope First Focal Plane Argon Purged High Precision Erector System Aircraft Grade Aluminum Tube Side Parallax Adjustment Illuminated Glass Reticles Exposed Turrets Waterproof HD Glass Advanced fully multi-coated XPL Coating Precision Zero Stop System Package Contents: Athlon Optics Ares BTR GEN3J HD 4.5-27x50 30 mm Tube Rifle Scope First Focal Plane Athlon Optics 212017J: Ares BTR GEN3J HD 4.5-27x50 30 mm Tube Rifle Scope First Focal Plane APRS13 MIL Reticle Black