Vortex 30mm riflescope rings mount on Picatinny or Weaver type rails. Made from aircraft-grade 6061-T6 aluminum for optimum strength.

Positioning:

Low: 0.75 inches (19mm) from base to centre
Medium: 0.94 inches (24mm) from base to centre
High: 1.22 inches (31mm) from base to centre

note:

Sold in sets of two.