Arisaka Defense Offset Optic Plate 13 - Lower 1/3 Holosun 509T

Arisaka Defense Offset Optic Plate 13 - Lower 1/3 Holosun 509T. The 35-degree position brings the red dot sight up closer to slimmer smaller scopes while the 45-degree position provides additional clearance around wider turrets. These Red Dot Sights & Accessories are set to 35 or 45 degrees by reversing the stem between the optic plate and base during assembly. The mount's unique geometry correctly aligns the optic vertically over the bore and maintains a consistent height at both 35 and 45 degr