The AmeriGlo GL821 Trooper sight set for Glock puts low-light shooting confidence right where you need it—on your front and rear sights. This is a tritium iron sight upgrade that works around the clock: green tritium lamps stay visible in darkness, while the LumiGreen-painted front sight outline glows bright for roughly 10 minutes after exposure to light. If you carry a Glock for duty, sport, or personal defense, better sights are one of the smartest upgrades you can make, and AmeriGlo has been building quality hand-gun iron sights long enough to know what works.

The GL821 pairs a green tritium front sight with a black outline rear, a straightforward setup designed for speed and clarity on target. Tritium sights don't need a battery, don't fade, and won't quit when you're in a low-light situation where your flashlight isn't an option. The LumiGreen paint on the front adds a day-light advantage too—it absorbs ambient light and releases it as a glow, giving you a bright aiming point indoors or in shade without relying on tritium alone. This combination makes the Trooper set useful for shooters who practice in varied conditions and want sights they can trust in any light.

AmeriGlo builds sights purpose-built for popular carry and duty guns, and the GL821 is engineered specifically for Glock platforms. If you've been shooting your Glock's factory sights and thinking about an upgrade, tritium is the logical step—better sight picture, faster target acquisition, and visibility that your stock sights simply can't match. These are proper iron sights for shooters who take their gear seriously.

Key Features

• Green tritium front and rear sights for reliable low-light visibility
• LumiGreen-painted front sight outline glows for approximately 10 minutes after light exposure
• Black outline rear sight for clean sight picture
• Purpose-designed for Glock platforms
• No battery required; tritium is self-illuminating

Specifications

Brand	AmeriGlo
Model	GL821 Trooper
Sight Type	Iron sights (tritium + LumiGreen)
Compatibility	Glock
Front Sight	Green tritium with LumiGreen outline
Rear Sight	Black outline with green tritium

Frequently Asked Questions

What Glock models does the GL821 fit?

The GL821 is engineered for Glock platforms. For specific model compatibility with your pistol, consult the product documentation or contact our team.

How long does the LumiGreen glow last?

The LumiGreen paint glows brightly for approximately 10 minutes after exposure to light. Tritium remains visible indefinitely without recharging.

Can I use tritium sights if I also carry a flashlight?

Absolutely. Tritium sights work alongside any flashlight or weapon-mounted light. They're designed as a standalone visibility solution and complement other gear.

What is included in the GL821 sight set?

The GL821 Trooper sight set includes a green tritium front sight with LumiGreen outline and a black outline rear sight.