Vortex Optics Sport Cantilever 30mm Ring - Absolute Co-Witness | 1-inch Offset Black
- 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....
- Use this cantilever mount in conjunction with the Tactical 30mm Ring to mount the Viper XBR crossbow scope. The 1-inch offset of this cantilever mount....
- Provides absolute co-witness mounting height of 37 mm. Will work with most 30 mm red dot sights..