The SAI(TM) 6 series of optical sights provide a rugged and versatile solution for a variety of sighting requirements in variable magnification. With an LED-illuminated First Focal Plane reticle, ranging and ballistic hold-off is accurately achieved at any magnification. The proprietary Rapid Aiming Feature(TM) reticle and superior field of view enhance close-quarter effectiveness. The ruggedized tubular design allows for a variety of modular mounting solutions. The SAI(TM) 6 is designed to accommodate advanced optical sighting system enhancements such as flip covers, Anti-Reflection Devices, laser filters, and polarizers. Key Features: Magnification: Variable 1x-6x Tube Diameter: 30mm Focal Plane: FFP Field of View: 38.8m - 6.8m@100m Eye Relief: 90mm nominal Weight: 510g Elevation/Windage Range: 35 mrad (120 MoA) Adjustment Resolution: 0.1 mrad Crosshair Illumination: LED, 9 settings Zero Adjustments: Finger adjustable, 10 mrad / rev Adjustment Protection: Protected with retained cap Reticle: Multiple Selections Shown Ballistic Calibration: 5.56 or 7.62NATO to 800m Rangefinder: VSOR Rangefinder, 300-800m Operating Temperatures: -40F to 122F Standard Accessories: Tenebraex Killflash ARD, Tenebraex Tactical Tough flip covers, Adjustment cap retaining lanyard