

🎯 Lock on precision, power through the day, and never miss a beat.
The Vortex Optics Defender-ST Micro Dot Sight combines a 3 MOA red dot with a durable, motion-activated design featuring a large, distortion-free lens and 12 brightness settings. Built on a DeltaPoint Pro footprint, it offers up to 25,000 hours of battery life, waterproof and shockproof construction with ArmorTek lens protection, and an industry-leading unlimited lifetime warranty—perfect for professionals demanding reliability and precision in every shot.







| ASIN | B0CVCMX3GB |
| Best Sellers Rank | #15,724 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #56 in Gun Sights |
| Brand | Vortex |
| Brand Name | Vortex |
| Color | Black |
| Compatible Devices | Firearms |
| Customer Reviews | 4.7 out of 5 stars 195 Reviews |
| Field Of View | 360 Degrees |
| Included Components | Red Dot Sight, Glock MOS Adapter Plate, Picatinny Rail Mount, Rubber Cover, Lens Cloth, CR2032 Battery, Tool, Most Common Mounting Screw Sets |
| Item Type Name | red dot sight |
| Item Weight | 1.5 Ounces |
| Magnification Maximum | 1 x |
| Magnification Minimum | 1 x |
| Manufacturer | Vortex Optics |
| Material | Aluminum |
| Material Type | Aluminum |
| Mounting Type | Picatinny Mount |
| Night vision | No |
| Product Style | 3 MOA - Red Dot |
| Reticle Type | Red Dot |
| Sport | Shooting |
| Sport Type | Shooting |
| Style | 3 MOA - Red Dot |
| UPC | 843829133296 |
| Unit Count | 1.0 Count |
| Warranty Description | Unlimited, unconditional, lifetime warranty. |
M**T
Excellent green dot
Outstanding sight. Dialed it in at the range then put 15 within a 3” bull at 10 yards no problem. Really nice quality and easy to attach.
O**Z
Very nice!
Perfect fit on my CA compliant Echelon 4.5. Only gripe I have is the adjustment tool is lousy, but the site itself is of hi quality and it retains its zero very well. It is absolutely worth the purchase.
M**G
Perfect!
Exactly what my husband needed.
B**R
My RMR replacement dot
Went out on a limb to try one. Ended up with the ST and an XL. Quality optic with One of the best warranties in the industry from Vortex. Can't go wrong. Super clear glass. Already have SROs and 507 comp and 507c.
A**Z
Great product with easy battery compartment and large control buttons.
This is my first Vortex bought and I am extremely satisfied with its operation and ease of use. Would purchase again either on new handgun purchases or to replace others. Great sturdy optic and even comes with a protective cover!
N**N
Do not buy for conceal carry.
Mounted on a dwx. It's great for range use. Clear glass and nice dot. The buttons are too easy push! So the settings change when carrying even when it's LOCKED OUT.
P**.
Recommend
Sits well on my Glock 19x Mos. Seems very durable and good battery life.
L**Y
Rock Solid Green Dot
Big window. Bright dot. Solid mount on a Ruger RXM.
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