Provides extra rail room for rear Back Up Iron Sights (BUIS) when using the StrikeFire red dot along with the VMX-3T magnifier. The cantilever ring will move the StrikeFire forward about one inch.
Note: Provides absolute co-witness mounting height of 37 mm. Will work with most 30 mm red dot sights.
Outside Diameter (inches) 2.4 - 2.6 inches
Outside Diameter (mm) 62-66 mm
Weight 6.7 oz
