Vortex Defender ST

Multi-Platform Reflex Sight

Whether you're practicing at the range, outfitting a home defense setup, or equipping a backup sight for your rifle, this rugged and versatile reflex optic is built to meet the needs of serious shooters. With exceptional clarity, reliable durability, and rapid target acquisition, it’s ready for demanding conditions across handguns, shotguns, or offset rifle configurations.

Key Specifications

• Mounting Interface: Leupold Delta Point Pro footprint & included Picatinny mount
• Red Dot Sizes: 3 MOA / 6 MOA
• Dot Color: Intense red for high visibility
• Battery: CR2032 lithium cell
• Runtime: Up to 25,000 hours
• Magnification: True 1x for natural aiming
• Reticle: 6 MOA central aiming dot
• Eye Relief: Unlimited
• Adjustment Increments: 1 MOA per click
• Maximum Elevation/Windage Adjustment: 115 / 145 MOA
• Parallax: Effectively parallax-free
• Length: 1.8 inches
• Weight: 1.48 ounces

Optical and Structural Features

• Viewing Window: 23mm wide x 20mm high
• Lens: Hardened aspherical glass with minimal distortion
• Motion-Sensing Activation: Activates on movement with 10-minute auto-off for battery savings
• Shock Dampening Frame: Shock-absorbing insert built into a high-grade aluminum body
• Slide Manipulation Surface: Aggressively textured face for emergency racking
• Battery Access: Top-load design allows changes without removing the sight
• Brightness Levels: 10 manual settings optimized for daylight visibility
• Night-Compatible: Bottom two brightness levels are compatible with night-vision gear
• Weather Sealing: Fully sealed to resist water, dust, and debris
• Fog and Shock Resistance: Engineered to perform across temperature extremes and recoil impacts
• Exterior Finish: Matte anodized coating minimizes reflection and resists corrosion
• Chassis Design: Single-piece compact housing keeps weight to a minimum

Included Accessories

• Mounting plate for select pistol platforms
• Picatinny rail adapter
• Protective rubber cover
• Lens cleaning cloth
• CR2032 battery
• Multi-function adjustment tool
• Assorted mounting screws