Available in 4 heights/models, these Made in the USA -- Vortex Pro Series 30mm rings are serious rings to secure your 30mm tubed riflescope to your rifle. These Vortex picatinny-style rings are precision machined from 7075 T6 aluminum and finished with a durable matte black anodize. They include laser engraved torque specs on the rings so you never forget the proper torque settings and scope center heights for super easy mounting. An integrated recoil lug will fit both picatinny and weaver style rails. Streamlined, lightweight and durable, the Vortex Pro Series 30mm Rings are perfect for your riflescope!