Primary Arms 6X Gen II Red Dot Magnifier, Black 6X MAGNIFICATION: When placed behind a red dot or holographic reflex sight, the sight picture waterproof at 6x power. INTEGRATED DIOPTER: Provides a fast focus ability to keep the image clear. ADJUSTMENTS: The azimuth and elevation adjustments keep the dot centered. RUGGED AND DURABLE: Constructed of aluminum with rubber armor, this tough magnifier is waterproof and fog resistant.