Trijicon 600596 HD Night Sights for H&K USP - Green Tritium Yellow Outline Front & Black Outline Rear

The Trijicon 600596 HD Night Sights for H&K USP are a purpose-built sight set designed to give you reliable target acquisition in low-light conditions and at night. These sights pair a green tritium front sight with a yellow outline and a black outline rear sight, giving you a bright, high-contrast sight picture whether you're shooting in daylight or darkness. If you carry or train with an H&K USP and want night sights that work when your flashlight isn't an option, this is the setup that does the job without compromise.

Trijicon's tritium night sight technology is self-illuminating—no batteries, no buttons, no maintenance. The radioactive tritium vials glow continuously, so your sights stay visible in complete darkness for years. The yellow outline on the front sight and black outline on the rear create a fast, intuitive sight picture that works equally well in daylight and low light. This is the same proven design you'll find on duty pistols and serious defensive carry guns across the country.

Installation is straightforward if you have basic gunsmithing tools or a steady hand, though many shooters prefer to have a qualified armorer handle the swap. The sights are machined to H&K USP specifications, so fit and function are assured. Whether you're setting up your USP for home defense, concealed carry, or range work, these night sights eliminate one of the biggest limitations of standard 3-dot sights: the inability to aim accurately when the light fails.

Key Features

• Self-illuminating green tritium front sight with yellow outline for rapid target acquisition
• Black outline rear sight for consistent sight alignment in all light conditions
• No batteries or charging required—tritium glows continuously for years
• H&K USP-specific fit and installation compatibility
• Fast, high-contrast sight picture in daylight and complete darkness

Specifications

Frequently Asked Questions

Will these sights fit my H&K USP?

Yes, the Trijicon 600596 is designed specifically for H&K USP pistols. Always verify your exact USP model before purchase, as H&K makes several USP variants. If you're unsure, contact us or check your pistol's manual to confirm compatibility.

How long do the tritium vials stay bright?

Tritium has a half-life of approximately 12 years, meaning the sights will remain functional and visible well beyond that period, though brightness gradually diminishes over time. For most users, a decade or more of reliable low-light performance is what you can expect.

Do I need special tools to install these sights?

H&K USP sights typically require a sight pusher tool and a small amount of gunsmithing knowledge. Many shooters have them installed by a qualified armorer or gunsmith to ensure proper fit and zero. If you're experienced with gun work, you can do it yourself with the right tools.

Can I use these sights in daylight?

Absolutely. The yellow outline on the front sight and black outline on the rear create a fast, visible sight picture in bright daylight. These sights work equally well in all lighting conditions, which is why they're popular for both defensive and sport shooting.