Sumo 30mm rings - set of 25 rings

22mm Rings set of 25 Laser cut stainless steel rings

• 3.0mm to 7.8mm in 0.2mm increments
• 2mm annulus

The annulus is the thickness of the inner ring you locate around the aiming mark.  Many shooters obtain an optimum sight picture by changing annulus thicknesses at varying ranges.