Sportsmatch rings 30mm 11mm dovetail High profile 4 screws/ring cap to secure your scope 2 screws on each dovetail for extra secure attachment to your gun Adjustable for windage, elevation, height* and lateral position No scope stop pin * *Ring height adjusts from 25mm to 27.5mm.* Sportsmatch is known for making some of the best mounts in the business. Made in England, the mounts are rock-solid and will hold your expensive optics in place.