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Questions & Answers
Does it fit M18 without modifications? Manufacturer Answer

The Defender-ST would be a compatible option with your M18, as the slide is cut to otherwise accept the DeltaPoint Pro footprint, employed by the Defender!

by Vortex, Manufacturer, May 29, 2024
Will this fit a Hellcat Pro OSP? Manufacturer Answer

Unfortunately no. The Hellcat would work with the Defender-CCW, however, and it would be a direct-to-slide fit, otherwise!

by Vortex, Manufacturer, May 29, 2024
Customer Reviews
Helpful Positive Review
Great unit by Jeffb, Verified Owner, July 4, 2025
Got this to go on a ruger 22/45 compact screwed right on the picattany rail looks great . Turns on and off easily bright dot. Great value.
3/3 found this helpful
Helpful Positive Review
Great optic by Jay, Verified Owner, June 4, 2025
I have a few Vortex optics and Optics Planet always has what I need to finish my firearms the way I like them done.Besides that you just can’t beat the Vortex warranty…
2/2 found this helpful
Helpful Positive Review
Solid budget optic by Frank, Verified Owner, June 1, 2025
Easy to mount on pic rail for a shotgun. A bit cumbersome adjustment but was able to zero it in.
2/3 found this helpful
Helpful Positive Review
Nice red dot, poor locking screw location by Mr Smooth, Verified Owner, August 15, 2025
Nice dot, easy to use and holds zero. Battery can only be replaced with dot removal. Elevation and windage locking screws can be block by the firearms rear sight. Can be frustrating
1/1 found this helpful
Helpful Positive Review
Great optic by Jay, Verified Owner, June 4, 2025
I have a few Vortex optics and Optics Planet always has what I need to finish my firearms the way I like them done.Besides that you just can’t beat the Vortex warranty…
2/2 found this helpful
Helpful Positive Review
Good dot for shotgun by James Bass, Verified Owner, July 9, 2025
I bought this for a shotgun not a pistol. So the larger moa dot is perfect. Mounting is straight forward and it works well, besides I’m a vortex fan mainly because their customer service is second to none if something does fail.
2/2 found this helpful
Read All 558 Reviews
Color:
Black
Finish:
Hard Anodized Matte
Fabric/Material:
Aluminum Alloy Chassis
Magnification:
1 x
Objective Lens Diameter:
24 mm
Reticle:
6 MOA Dot
Illumination Type:
LED
Illumination Color:
Red
Brightness Settings:
10
Eye Relief:
Unlimited
Adjustment Type:
MOA
Adjustment Click Value:
1 MOA
Parallax:
Parallax Free
Lens Material:
Glass
Optical Coating:
Fully Multi-Coated
Battery Type:
CR2032
Battery Quantity:
1
Battery Life:
150 - 30000 hours
Operating Temperature:
22 - 122 Fahrenheit
Water Resistance Level:
Waterproof
Water Resistant Mark:
1 m
Shockproof:
Yes
Gun Make:
AR Platform
Length:
1.8 in
Width:
1.6 in
Height:
1.02 in
Weight:
1.1 oz
Included Accessories:
Standard
Condition:
Factory DEMO
Package Type:
Box
Magnification Type:
Fixed
Lens Finish:
ArmorTek
Brightness Index:
10
Attachment Type:
Picatinny, Weaver
Front Sight Color:
Red
Gun Type:
Pistol, Rifle, Shotgun
Mount Type:
Weaver
W/E Travel at 100 Yds:
120 MOA

Code: VX-RD-VRD-6-VRD-6-DEMO

MPN: VRD-6-DEMO

Product No Longer Available

Product Info for Vortex Viper 1x24mm Reflex Red Dot Sight

These Vortex Viper Red Dot Sights feature bright red 6 MOA reticles for clear targeting in any light levels or background colors. These Red Dot Sights from Vortex Optics have easy to use power and illumination controls on the left side so you can make adjustments without changing your sighting position.Vortex Viper Red Dot Sights mount exceptionally low, so they are a great choice for handguns with cutout slides.image

Features of Vortex Viper 1x24mm Reflex Red Dot Sight

  • Fully Multi-Coated
  • Unlimited Eye Relief
  • Parallax Free
  • Single-Piece Chassis
  • Waterproof
  • Shockproof
  • Hard Anondized Finish
  • ArmorTek

Package Contents:

  • Vortex Viper 1x24mm Reflex Red Dot Sight

Red Dot Accessories

1–60 / 60
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Red Dot Sight Magnifier

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Ammunition

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Firearm Case

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Related Products to Vortex Viper 1x24mm Reflex Red Dot Sight

Vortex Viper 1x24mm Reflex Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Vortex Viper 1x24mm 6 MOA Red Dot Sight, CR2032 Battery, Black, VRD-6, Black, Viper Red Dot, VRD-6 , MPN: VRD-6-DEMO , Code: VX-RD-VRD-6-VRD-6-DEMO
  • Vortex Viper 1x24mm, 6 MOA Red Dot Sight CR2032 Battery, Black, VRD-6 , MPN: VRD-6 , UPC: 875874006027 , Code: VX-RD-VRD-6-VRD-6
  • OP Exclusive - Vortex OPMOD Viper 1x24mm 6 MOA Red Dot Sight, FDE , MPN: VRD-6-OP-KIT2023 , Code: VX-RD-VRD-6-VRD-6-OP-KIT2023
  • Vortex OPMOD Viper 1x24mm 6 MOA Red Dot Sight, FDE , MPN: VRD-6-OP-KIT3 , Code: VX-RD-VRD-6-VRD-6-OP-KIT3
  • USED Vortex Viper 1x24mm, 6 MOA Red Dot Sight CR2032 Battery, Black, VRD-6, EDEMO6, Condition Like New, Inspect and Rebox , MPN: VRD-6-EDEMO6 , Code: VX-RD-VRD-6-VRD-6-EDEMO-RE-A
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 17, Gen 5, Viper Cut, Version 2, Black Cerakote , MPN: VRD-6-KIT4 , Code: VX-RD-VRD-6-VRD-6-KIT4
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 26, Gen 3/4, Viper Cut, Version 2, Black Cerakote , MPN: VRD-6-KIT8 , Code: VX-RD-VRD-6-VRD-6-KIT8
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper RedDot and TRYBE Defense Pistol Slide, Glock 19, Gen 3, ViperCut, Version 2, Black Cerakote , MPN: VRD-6-KIT5 , Code: VX-RD-VRD-6-VRD-6-KIT5
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper RedDot and TRYBE Defense Pistol Slide, Glock 19, Gen 5, ViperCut, Version 2, Black Cerakote , MPN: VRD-6-KIT7 , Code: VX-RD-VRD-6-VRD-6-KIT7
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper RedDot and TRYBE Defense Pistol Slide, Glock 17, Gen 4, ViperCut, Version 2, Black Cerakote , MPN: VRD-6-KIT3 , Code: VX-RD-VRD-6-VRD-6-KIT3
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper RedDot and TRYBE Defense Pistol Slide, Glock 19, Gen 4, ViperCut, Version 2, Black Cerakote , MPN: VRD-6-KIT6 , Code: VX-RD-VRD-6-VRD-6-KIT6
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper RedDot and TRYBE Defense Pistol Slide, Glock 17, Gen 3, ViperCut, Version 2, Black Cerakote , MPN: VRD-6-KIT10 , Code: VX-RD-VRD-6-VRD-6-KIT10
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 19, Gen 5, Viper Cut, Version 2, FDE Cerakote , MPN: VRD-6-OP-KIT3-KIT6 , Code: VX-RD-VRD-6-VRD-6-OP-KIT9
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 17, Gen 3, Viper Cut, Version 2, FDE Cerakote , MPN: VRD-6-OP-KIT3-KIT1 , Code: VX-RD-VRD-6-VRD-6-OP-KIT4
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 19, Gen 3, Viper Cut, Version 2, FDE Cerakote , MPN: VRD-6-OP-KIT3-KIT4 , Code: VX-RD-VRD-6-VRD-6-OP-KIT7
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 19, Gen 4, Viper Cut, Version 2, FDE Cerakote , MPN: VRD-6-OP-KIT3-KIT5 , Code: VX-RD-VRD-6-VRD-6-OP-KIT8
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 26, Gen 3/4, Viper Cut, Version 2, FDE Cerakote , MPN: VRD-6-OP-KIT3-KIT7 , Code: VX-RD-VRD-6-VRD-6-OP-KIT10
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 17, Gen 5, Viper Cut, Version 2, FDE Cerakote , MPN: VRD-6-OP-KIT3-KIT3 , Code: VX-RD-VRD-6-VRD-6-OP-KIT6
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Pistol Slide, Glock 17, Gen 4, Viper Cut, Version 2, FDE Cerakote , MPN: VRD-6-OP-KIT3-KIT2 , Code: VX-RD-VRD-6-VRD-6-OP-KIT5
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, Black, Viper Red Dot and TRYBE Defense Sig Sauer P320 Pistol Slide, Viper Cut, Black , MPN: VRD-6-KIT9 , Code: VX-RD-VRD-6-VRD-6-KIT9
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight with 3x Magnifier w/ Flip Mount, CR2032 Battery, Black, VRD-6-KIT1 , MPN: VRD-6-KIT1 , Code: VX-RD-VRD-6-VRD-6-KIT1
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight, FDE, Viper Red Dot and TRYBE Defense Sig Sauer P320 Pistol Slide, Viper Cut, FDE , MPN: VRD-6-OP-KIT3-KIT8 , Code: VX-RD-VRD-6-VRD-6-OP-KIT11
  • Vortex Viper 1x24mm 6 MOA Red Dot Sight with Vortex Micro 3x Magnifier , MPN: VRD-6-KIT2 , Code: VX-RD-VRD-6-VRD-6-KIT2
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