Description
Set up for HK VP9 Optic-Ready pistols, the XS Sights R3D is a traditional three-dot tritium night sight that solves the age-old problem of finding your front sight fast. The front features a bright orange Ember Glow Dot ring surrounding a tritium vial that charges off ambient light and stays glowing after dark. The orange color is picked for how well it stands out in bright daylight while still holding visibility once the sun drops, and the rear notch is blacked out to keep contrast working in your favor.
What Makes the R3D Front Sight Stand Out
XS builds the front tritium vial to burn brighter than the two rear vials on purpose. That difference keeps your eye pulling to the front where it belongs and takes the guesswork out of which dot is which in low or no light. The front blade runs 0.145 inches wide against a 0.170-inch rear notch, so there's plenty of light on either side of the post for a quick, clean pickup. Reviewers who have run these hard tend to agree that dot confusion just isn't a real concern with how loud that front dot reads.
Suppressor Height Built for Your VP9 Optics-Ready Slide
These come in suppressor/RMR height, which does two jobs. It lifts your sight line high enough to see over a mounted suppressor, and it sets you up for a lower 1/3 co-witness with popular optics like the Trijicon RMR and SRO, the Holosun 507c series, and the Vortex Viper. If your dot ever goes dark or takes a hit, you've got a real backup irons setup ready to go instead of a dead red dot and nothing else.
Steel Build That Holds Up
The R3D set is CNC machined from solid steel bar stock at XS's own shop and finished to fight off corrosion, so it holds zero and takes recoil without complaint. You can install them with a sight pusher or the classic hammer and punch method. Between carry, duty, and range time, this is a straightforward upgrade that makes your VP9 easier to run in any light.
Key Specifications
- Manufacturer: XS Sights
- Model: R3D
- Manufacturer Part Number: HK-R022P-6N
- UPC: 647533023450
- Fit: HK VP9 Optic-Ready
- Style: Suppressor / RMR Height
- Front Sight Color: Orange Ember Glow Dot
- Sight Type: 3-Dot Tritium Night Sight
- Illumination: Tritium front and rear, photoluminescent front ring
- Front Blade Width: 0.145 in (3.68 mm)
- Rear Notch Width: 0.170 in (4.32 mm)
- Material: CNC Machined Steel
- Finish: Corrosion-resistant, matte
- Optic Co-Witness: Lower 1/3 with RMR, SRO, Holosun 507c, Vortex Viper
- Warranty: Limited Lifetime
What’s Included
- Front sight
- Rear sight
- Hex wrench (if applicable)
- Red threadlocker
- Insert with instructions
Frequently Asked Questions
Will the R3D suppressor height sights co-witness with my red dot?
Yes. The suppressor/RMR height profile is set up for a lower 1/3 co-witness with common pistol optics including the Trijicon RMR and SRO, the Holosun 507c series, and the Vortex Viper. That gives you a reliable set of backup irons if your dot ever fails or the battery dies.
Why choose the orange R3D front dot over the green?
Orange contrasts best in bright daylight while still holding visibility once the light drops. Green typically glows a touch brighter in true low light, so it comes down to where you spend most of your time. If your VP9 sees a lot of daytime and range use, orange is a solid pick.
Do these fit a standard HK VP9 or only the Optic-Ready model?
This specific set is cut for the HK VP9 Optic-Ready. The suppressor height is what allows the sights to clear a mounted suppressor and line up with a red dot, so make sure your slide is the OR version before ordering.
How do I install the R3D night sights?
They can be installed with a sight pusher tool or the traditional hammer and punch method. The kit includes red threadlocker and instructions to help you get them seated and secured. If you aren't comfortable pushing sights yourself, a gunsmith can knock it out quickly.







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