Description
This is the factory night sight set Heckler & Koch builds specifically for the VP9 optics-ready pistol, carrying part number 51000937. You get a green tritium front sight paired with a three-dot rear, all housed in black steel that holds up to years of holster wear and range time. The tritium glows on its own with no switches or batteries to worry about, so your sight picture is ready whether you're at the range at noon or checking a noise in the house at 2am.
Why the VP9 OR Standard Night Sights Fit the Bill
These are cut for the standard height profile, with the front sight running 0.250 inches tall and the rear at 0.3115 inches. That matters if you're running a red dot. On a VP9 OR with a factory mounting plate, the standard height sights land at roughly a lower 1/3 co-witness under many enclosed optics like the Holosun SCS, so your irons sit tucked low in the window instead of crowding it. If you want backup irons that don't fight your dot, this is the profile people reach for.
Real-World Feel of the HK 51000937 Sight Set
Being an OEM HK part, fit is dialed for the VP9 dovetails right out of the gate. Worth knowing that the VP9 OR slide uses a P2000-style rear dovetail and the HK45/P30/VP front cut, which is exactly what this set is machined for. The three-dot layout is quick to pick up and the tritium reads bright in low light, with plenty of owners noting the front dot in particular really jumps out at you.
Getting the VP9 Night Sights Installed
Sight swaps take a proper pusher and a steady hand, and HK recommends letting a qualified gunsmith handle the install to keep everything zeroed and undamaged. Once they're on, you're set for the long haul thanks to the steel construction and maintenance-free tritium. It's a clean, no-nonsense upgrade for anyone building out a defensive or duty VP9.
Key Specifications
- Manufacturer: Heckler & Koch / H&K
- Manufacturer Part Number: 51000937
- UPC: 642230263116
- Fits: HK VP9 optics-ready pistols
- Sight Type: Three-dot tritium night sights
- Illumination: Green front and rear tritium
- Front Sight Height: 0.250 in
- Rear Sight Height: 0.3115 in
- Material: Black steel
- Height Profile: Standard height
- Country of Origin: United States
What’s Included
- HK VP9 OR standard height front tritium night sight
- HK VP9 OR three-dot tritium rear night sight
Frequently Asked Questions
What pistols does the HK 51000937 VP OR night sights set fit?
This set is built for the VP9 optics-ready family, including the VP9 OR and other VP9 OR variants. It's machined for the factory HK dovetails, with the front cut matching the HK45/P30/VP pattern and the rear using a P2000-style dovetail. Since it's an OEM part, fit is exactly what HK intended for the platform.
Will these VP9 OR standard night sights co-witness with a red dot?
In most setups, yes. At standard height, these sights typically give a lower 1/3 co-witness with enclosed optics like the Holosun SCS when mounted on a factory HK plate. They keep the irons low in the window so they don't crowd your dot, while still being there as backup if the optic goes down.
Do the night sights need batteries or charging?
No. The green tritium inserts glow on their own through a natural process, so there's nothing to switch on, charge, or replace. Tritium stays useful for years, which is why it's a favorite for defensive and duty guns that need to be ready any time.
Can I install the HK 51000937 sight set myself?
It's possible with a proper sight pusher, but HK recommends having a qualified gunsmith do the install. Steel sights are pressed tight into the dovetails, and the right tools protect both the sight blades and your slide. A gunsmith will also confirm your zero once they're seated.





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