Vortex Cantilever Ring Mount for 30mm Tube, 3in Offset CM-203
3-Inch Offset Provides the correct height and forward placement necessary for proper scope mounting on an AR-15 Designed for mounting 30 mm telescopic sights onto flattop style AR-15 rifles Aluminum construction Positions the telescopic sight at a height of 1.47 inches from base to center of scope tube