STD rings are precision engineered to match up with STD 1-piece or STD 2-piece bases. The rear ring is secured by windage adjustment screws. They boast machined steel construction.
Features
Multiple heights: Low, Medium, High, Super High
Specifications
Finish: Matte
Material: Steel
Base Cant: No
Ring Diameter: 30 mm
Ring Height (inches): Low .65, Medium .77, High .9, Super High 1
Weight (ounces): Low 2.8, Medium 2.8, High 3.6, Super High 3.6