- Provides lower 1/3 co-witness mounting height of 40 mm. Will work with most 30 mm red dot sights.
- 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
- Weight: 4 ounces / Aluminum construction
- Covered by the Vortex VIP Unconditional Lifetime Warranty