Assult Scope Combo 1-4x28 Micro Red Dot/ P4 Sniper by Trinity Force The Assault Optic Combo (1×28) is a one to four power scope that offers target acquisition capabilities from close to mid range. The variable zoom adjustment ensures no target is out of focus and and the shooter is equipped to adequately deal with any scenario. The optic body has been nitrogen purged for complete waterproof and fog proof protection and has adjustable turret caps. The Assault comes with a Quick Detach monolithic mount and tri-color illumination.This combo also comes with a Micro Red Dot that can be mounted on the rear body segment of the optic. Weight (oz) 23.2 (w/Barrel Mount) Length (in) 10 Material Aircraft Grade Aluminum / Steel Mounting Hardware Finish Black Anodized In the box Mounting Hardware / Allen Wrench / Lens Cloth / Lens Caps /Optic Ring Mounts / Spare Battery Waterproof (ft) 3.28 Shockproof Yes (˜ .308 equiv. / = 1.5ft) Fogproof (ºF) - 4º to 122º Turret Click Value (MOA) 1/2 Windage / Elevation Range (MOA) 35 ~ 35 Parallax (yd) 100 Eye Relief (in) 5.5 (Low) / 3.58 (High) Linear FOV (ft/100yd) 88.83 – 26.24