30-39mm

Vortex Viper PST Gen II 2-10×32 Riflescope FFP EBR-4 MOA

Vortex Strikefire II Red Dot Sight

Vortex Strikefire II Bright Red Dot

Vortex Solo RT 8×36 Monocular

Vortex Solo 8X36 Monocular S836

Vortex Recce Pro HD 8X32 Monocular

Vortex Raptor 8.5×32 Porro Prism Binocular R385

Vortex Raptor 10×32 Porro Prism Binocular

Vortex Diamondback HD 10X32 Binoculars

Vortex Diamondback 2-7x35mm Riflescope

Vortex Crossfire II Crossbow 2-7x32mm Scope

Vortex Crossfire II 2-7x32mm Scope