4-16x44 HD Red Green illuminated Mil-dot Optical Scope with 11 & 20mm Rail Mount
2 20mm Brackets. Exit pupil: 8.3-2.1mm. Crosshair: Red / green luminous crosshair. You can choose to install in the range of 11 mm or 20 mm. Target parallax set 15 to infinity. Length: 340mm/13.3in.