The Vortex Sport 30mm Medium (.90") Torx T-25 Matte Black Riflescope Ring SPT30-M is a precision-engineered mounting solution that provides a stable and secure platform for 30mm riflescopes. With a medium 0.90" center height, it offers an ideal balance between clearance and low-profile positioning, ensuring comfortable eye alignment and a natural shooting stance on a wide range of rifles. Constructed from lightweight, durable aluminum with a matte black anodized finish, the ring combines strength with a sleek, professional appearance. Both the base and cap screws use Torx T-25 fittings for consistent, reliable engagement, supporting torque values of 30 in-lbs on the base screws and 15–18 in-lbs on the cap screws to maintain repeatable zero. Weighing 1.74 oz per ring, it delivers dependable performance without adding unnecessary bulk, making it well-suited for hunting, target shooting, and precision rifle applications. Vortex Sport 30mm Medium (.90") Torx T-25 Matte Black Riflescope Ring SPT30-M