VORTEX Cantilever 30 mm Ring Lower 1/3 Co-Witness 1"

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 lower 1/3 co-witness mounting height of 40 mm. Will work with most 30 mm red dot sights.

Specifications:
Base Clamp Hex Nut: 35-45 in/lbs
Ring Screws: 15-20 in/lbs