Ameriglo XL Classic Suppressor Night Sight Set for Sig Sauer 9mm/.357 Sig - 3-Dot Tritium Green, White Outline

The AmeriGlo XL Classic Suppressor Night Sight Set for Sig Sauer 9mm/.357 Sig brings reliable low-light aiming to your carry or duty pistol. Built around a proven 3-dot tritium design with green lamps and white outlines, this night sight set is engineered to maintain a fast, intuitive sight picture in darkness—and to function as a dependable backup when you're running a slide-mounted red dot optic. The XL profile and suppressor-height design give you the elevation needed for a proper co-witness with popular pistol-mounted glass, so your backup sights stay in the fight whether your electronic sight is active or goes dark.

AmeriGlo's case-hardened construction means these sights are built to handle carry abuse and regular range use without losing zero. The tritium lamps self-illuminate without batteries or activation—they work in complete darkness as well as in shadowy indoor spaces where ambient light is too dim for traditional sights. The square rear notch and dimensioned blade widths are optimized for quick target acquisition and a repeatable sight picture under stress.

Whether you're setting up a Sig as a home-defense pistol, a duty backup, or a concealed-carry gun with a mounted optic, these sights give you a second sighting system that doesn't depend on electronics. Installation requires professional gunsmithing or armorer-level competency; verify compatibility with your specific Sig model before purchase.

Key Features

• 3-dot tritium night sight design with green lamps and white outlines for low-light aim point
• Suppressor-height profile for proper co-witness with slide-mounted red dot optics
• Case-hardened finish for durability in carry and training use
• Square rear notch for consistent sight picture and fast target transition
• Self-illuminating tritium—no batteries required
• Reliable backup sighting system independent of electronic optics

Specifications

Frequently Asked Questions

Will these suppressor-height sights co-witness with my red dot optic?

Yes. The elevated profile of these night sights is designed to provide a proper co-witness sight picture when used with slide-mounted red dot optics. This lets you use your backup sights as a point-of-aim when your electronic sight is off or damaged.

Do the tritium sights glow without batteries?

Yes. Tritium is a self-luminous isotope that glows continuously in darkness without requiring batteries or external power. The green lamps will be visible in complete darkness and in low-light environments where traditional sights cannot be seen.

What Sig Sauer models do these fit?

These sights are designed for Sig Sauer 9mm and .357 Sig pistols. Verify the exact model compatibility before purchase, as sight installation and fitment can vary. Professional installation is recommended.

Are these sights easy to install?

Sight installation on modern pistols typically requires professional gunsmithing or armorer-level technical skills and proper tools. We recommend having sights installed by a qualified gunsmith to ensure they are properly seated and zeroed.