Element Accu-Lite High 30mm Picatinny Rings
Durable CNC-machined 7075-T6 aluminum alloy construction Stainless steel base clamp, nut, and crossbolt Rounded edges to avoid snags Max. objective lens size: 56mm Universal base nut for both imperial and metric wrenches 30mm diameter Height (base to ring center): 1.14" (29mm) Weight (per pair): 4.8oz. (137g) Compatible with Weaver/Picatinny optics rails