The finishing touch to your rifle and optic combination. Pro Series rings combine rock-solid reliability and strength with high quality machining to ensure ultimate accuracy and consistency. Streamlined, lightweight and durable, these rings use four T-25 Torx-style socket cap screws for secure mounting. Type 2 Matte Black Anodized Laser Engraved Torque Specifications Integrated Recoil Lug Made in the USA Available Vortex Pro 30mm Rings MPN Height Optical Centerline PR30-L Low .90" PR30-M Medium 1.00" PR30-H High 1.26" PR30-XH Extra High 1.54" Learn More About Vortex Pro Series Rings Vortex Pro 30mm Extra High (1.54") Scope Rings PR30-XH