Trijicon HD Night Sights for Sig Sauer #6 Front/#8 Rear - Green Tritium Yellow Outline Front, Green Tritium Black Outline Rear (Model 600578)
- Type:
- Tritium Front/Painted Rear
- Firearm Group:
- Handgun
- Firearm Make Fit:
- Sig Sauer
- Finish-Color:
- Black
- Firearm Fit:
- Sig Pro 2340
- Front Color:
- Green/Tritium Yellow Outline
- Rear Color:
- Green/Tritium Black Outline
- Rear Material:
- Tritium
- Base Configuration:
- #6 Front
- Frame Material:
- Aluminum
- Front Material:
- Tritium
The Trijicon HD Night Sights for Sig Sauer #6 Front/#8 Rear deliver the sight picture speed you need when light runs out. Whether you're training for duty, running a defensive pistol course, or carrying for personal protection, these night sights use proven tritium technology to keep your front sight visible in zero-light conditions—no batteries, no excuses. The green tritium vials paired with the yellow outline on the front sight and black outline on the rear create instant contrast and faster target acquisition than iron sights alone, in any lighting from full daylight to complete darkness.
Trijicon sights have been the standard-issue choice for law enforcement and competitive shooters for decades because they're built to handle the real world: harsh solvents, repeated heavy recoil, and years of hard use. The HD design specifically reinforces protection against impacts and cleaning chemicals while maintaining the precision you expect. If you're running a Sig Sauer pistol and want sights that work the same way at midnight as they do at the range, these are the aftermarket upgrade that actually delivers.
The #6 front and #8 rear sizing is specific to Sig Sauer platforms, ensuring proper fit and sight picture geometry. Installation should be performed by a qualified gunsmith unless you have the appropriate tools and experience to avoid damaging your slide.
Key Features
- Green tritium vials glow in darkness without batteries or charging
- Yellow outline on front sight and black outline on rear sight boost contrast and speed target acquisition
- Engineered to resist damage from heavy recoil and cleaning solvents
- Designed for faster sight picture acquisition in low-light and no-light conditions
- Sized specifically for Sig Sauer pistols (#6 front, #8 rear)
Specifications
| Brand | Trijicon |
| Model | 600578 |
| Sight Type | Night sights (tritium) |
| Front Sight | #6 with green tritium and yellow outline |
| Rear Sight | #8 with green tritium and black outline |
| Platform | Sig Sauer |
Frequently Asked Questions
Are these sights compatible with my Sig Sauer pistol?
These sights are sized specifically for Sig Sauer platforms using #6 front and #8 rear dimensions. Confirm your Sig Sauer model requires these sizes before ordering. If you're unsure, contact us or consult your pistol's manual.
How long do the tritium vials stay visible?
Tritium has a half-life of approximately 12.5 years, meaning the sights will remain visible throughout that period, though brightness gradually decreases. You can still see them after 12.5 years—they simply won't glow quite as bright as day one.
Can I install these sights myself?
Proper installation requires the correct sight pusher tool and gunsmithing knowledge to avoid damaging your slide. We recommend having a qualified gunsmith perform the installation to ensure proper fit, function, and accuracy.
Do these work in daylight?
Yes. The yellow outline on the front sight and black outline on the rear sight provide visual contrast and a clear sight picture in daylight. The tritium vials activate as ambient light decreases, giving you a consistent aiming solution from noon to midnight.

