Firefield's impact mini reflex sight packs a big red-dot performance into a small, ruggedly reliable optic.The impact has an illuminated 5-moa reticle and five brightness settings.The mission-driven shockproof sight boasts advanced scratch-resistant, anti-reflective ar-red coated glass, infinite eye relief with a 50-yd parallax setting.It mounts easily on a weaver and picatinny rail and is operated on a cr1632 battery.This reflex sight kit includes low profile and co-witness mounts, cover, cr1632 battery, and adjustment tools.Battery: CR1632Magnification: 1xObjective: 16x21mmEye Relief: UnlimitedDot Size: 5 MOALength: 1.90"Weight: 1 ozFinish: Black AnodizedReticle: Illuminated Red DotProofs: Waterproof/ShockproofOptic Coating: AR RedWindage Elevation: 120 MOA