Apex Magnitude Dovetail Sight Black 5 pin .019 RH/LH Pro Brite pin design increases brightness without crowding sight picture;Gravity-Line rotational adjustment alings aperture travel with gravity for long-distance precision;Micro-adjustable windage and elevation;Four-position windage gang adustment;New shooter's ring design for better peep alignment (bright day & glow-in-the-dark visibility)