Description
When the sun goes down or you're working in a dim room, plain black iron sights disappear. The Trijicon 600145 Bright & Tough Night Sights fix that with three green tritium lamps that glow on their own, giving your Colt 1911 a clear, usable sight picture around the clock. There are no batteries or switches to worry about, the tritium just does its job whether it's noon or midnight. White outlines painted around each lamp make the dots easy to pick up in daylight too, so this set pulls double duty from bright range sessions to low-light carry.
What Makes the Bright & Tough Set Hold Up
Trijicon didn't skimp on the build here. Each tritium lamp sits inside an aluminum cylinder and rides on a silicone rubber cushion, which soaks up shock and heavy recoil so the lamps keep glowing round after round. On top of that, every lamp is capped with a sapphire jewel that spreads the light evenly and shields the tritium from cleaning solvents and accidental punctures. The sight bodies themselves are steel, so they can take the abuse that comes with a working pistol.
Fitment for Your Colt 1911
This is the version cut for the narrow .055 staking tang, so it's meant for Colt Government, 1911, Combat Elite, and Delta Elite pistols made in 1988 or earlier. Double-checking your tang width before ordering saves a headache, since Trijicon makes a separate set for the wider tang on later guns. Installation involves staking the front sight, so many folks hand this off to a gunsmith to get it dialed in right.
Everyday Confidence Behind the Sights
The three-dot layout is about as intuitive as it gets. Line up the front dot between the two rear dots and you're on target, fast, without overthinking it in a stressful moment. Trijicon backs the green lamps with a 12-year warranty from the date of manufacture, so you're looking at years of dependable glow. For a nightstand gun or a classic Colt you actually carry, this is a proven upgrade that's earned its reputation.
Key Specifications
- Manufacturer: Trijicon
- Manufacturer Part Number: 600145
- Model Code: CA02
- UPC: 719307200036
- Model: Government / 1911
- Product Type: Front/Rear Set
- Sight Style: 3-Dot
- Illumination: Green Tritium
- Dot Color: Green Front / Green Rear with White Outline
- Frame Material: Steel, Black Finish
- Staking Tang: Narrow .055
- Fitment: Colt Govt., 1911, Combat Elite, Delta Elite (made 1988 or before)
- Rear Notch Style: Square
- Front Blade Height: 0.185 in
- Rear Blade Height: 0.195 in
- Elevation Adjustment: No
What’s Included
- Trijicon Bright & Tough front night sight
- Trijicon Bright & Tough rear night sight
- Installation tool
Frequently Asked Questions
Will the Trijicon 600145 fit my Colt 1911?
This set is cut for the narrow .055 staking tang, which is found on Colt Government, 1911, Combat Elite, and Delta Elite pistols made in 1988 or earlier. If your gun is newer, you'll likely need the wider tang version instead. Measuring your front tang width before ordering is the safest way to confirm the right fit.
Do these Trijicon night sights need batteries?
No. The glow comes from sealed tritium lamps that light up on their own with no batteries, switches, or charging required. The green lamps are backed by a 12-year warranty from the date of manufacture, so you get years of reliable low-light performance.
Can I see the Bright & Tough sights in daylight too?
Yes. Each tritium dot is ringed with a white painted outline that makes the sights easy to pick up in bright conditions. That gives you a fast three-dot picture in daylight and a glowing one after dark, so they work well in any lighting.
Can I install these sights myself?
The front sight uses a staking tang, so installation is more involved than a simple dovetail swap. Trijicon recommends professional installation, and many owners have a gunsmith stake and set the sights to keep everything aligned and secure. If you have the tools and experience with staked sights, it can be done at home.





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