The Sig Sauer X-Ray3 Day/Night Pistol Sight Set, Green Front/Square Rear (brand part no. SOX10003) is a tritium-illuminated iron sight set built for low-light target acquisition, from Sig Sauer. Its 3-dot tritium configuration pairs a glowing front sight with a square-notch rear sight, giving a shooter a usable sight picture in both bright daylight and total darkness without batteries or a power switch. This listing is filed under our Lights & Lasers class in our catalog, but it’s a genuine set of tritium iron sights, not a light or laser — written up accordingly.

Key Specifications

• Tritium 3-dot configuration glows in low light without batteries.
• Square-notch rear sight paired with a tritium front sight.
• 4.2-inch length and a 0.05-pound shipping weight.
• Day/night usability in both bright and dark conditions.

Frequently Asked Questions

Do these sights need batteries? No, the tritium illumination glows in low light without any battery or power source.

What rear sight style is included? A square-notch rear sight, paired with the tritium front sight.

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