Handguns. Shotguns. Offset on a carbine. Whether running drills at the range or holding the line during rigorous duty use, the all-purpose Defender-ST™ delivers the toughness, accuracy, and adaptability your challenging world needs.
A 6 MOA dot promotes rapid target acquisition, while providing a precise point of aim—getting shots down range and on target fast.
The Defender-ST™ features a total of 10 brightness settings (eight for daylight use and two for night vision). 6 MOA daylight bright red dot, it is easy to see and acquire targets regardless of lighting conditions or background.
All Vortex optics come with an exceptional unlimited lifetime warranty which covers accidental damage and BB strikes, plus all standard warranty conditions. This offers excellent piece of mind and puts the higher price point firmly into focus. Full details can be found below.
Large Hard Coated Aspherical Lens: Large distortion-free sight picture.
ShockShield™: Polymer insert To protect against hard, daily abuse.
Fast-Rack™ Texturing: Aggressive texturing on face of optic for racking slide off any surface.
Motion Activation With 10 minute Auto-Shutoff: Automatically activates with motion while 10 minute auto-shutoff saves battery life.
Button Lockout: Prevents accidental brightness adjustment during use or transport.
Top Mount Battery: Easy battery changes without having to re-zero your optic.
10 Daylight Bright Brightness Settings: Daylight bright, illuminated center dot aids in faster center-point acquisition in bright daylight conditions.
Night-Vision Compatibility: The lowest 2 settings are night-vision compatible.
Parallax Free: All green dot and holographic sights will exhibit some small amount of parallax. Matching current industry practice, this small amount would be considered "parallax free" and will make a negligible difference in performance.
Unlimited Eye Relief: Non-critical eye relief for rapid target acquisition.
Waterproof: O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments.
Fogproof Designed to withstand a wide range of temperatures.
Shockproof Rugged construction withstands recoil and impact.
Low-Glare Matte Black Anodized Corrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter's position.
Single-Piece Chassis Compact and light weight.
Magnification: 1x
Reticle: 6 MOA
Adjustment Graduation: 1 MOA
Parallax Setting: Parallax Free
Max Windage Adjustment: 145 MOA
Max Elevation Adjustment: 115 MOA
Dot Color: Bright Red
Mount Type: DeltaPoint® Pro
Eye Relief: Unlimited
Length: 1.83"
Weight: 1.48 oz.
Included in box: Glock MOS Adapter Plate, Picatinny Mount, Rubber Cover, Lens Cloth, CR2032 Battery, Custom Tool and 6 Sets of Common Mounting Screws.
Manual can be found here.
Unlimited Lifetime Warranty
Fully transferable
No warranty card to fill out
No receipt needed to hang on to

June 2025

Vortex Optics Defender ST Red Dot Sight - 6 MOA