Description
AmeriGlo's CAP set takes a different approach from the usual three-dot night sights you see on most carry guns. Instead of chasing dots, you get one clear job: put the big green tritium front square into the rear window and press the trigger. The front post carries a bold orange outline that jumps out in daylight and a green tritium lamp that keeps glowing after the sun goes down, while the rear stays flat black with a single orange horizontal line running under the notch.
What Makes the CAP Sight Set Tick
The design comes from combat pistol instructor Dave Spaulding working alongside AmeriGlo founder Rick Callihan, and the whole idea is speed under stress. It's what they call a "Cover Point of Impact" setup, meaning you cover the target you want to hit with that front square rather than fussing over perfect dot alignment. Up close you just get the front sight in the rear window and go. When you need a more precise shot, you set the front square right on top of the rear's horizontal line for instant alignment.
Fit and Build on the AmeriGlo GL616
This GL616 model is cut for Glock Gen 1 through 4 pistols, covering the 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, and 39. It's steel construction with a black finish, and the front lamp uses tritium so it never needs batteries or charging. Worth noting the rear line is orange paint rather than tritium, which keeps the rear clean and lets your eye travel straight through to that glowing front post.
Getting the Glock CAP Sights On
Installation is a standard front and rear swap, and folks who run these consistently mention how much faster their eye finds the orange front compared to stock Glock sights. A proper sight pusher makes the rear go on smoothly and helps you get windage dialed in. If you carry or run your Glock hard and want a front sight that grabs your attention fast, this set earns its keep.
Key Specifications
- Manufacturer: AmeriGlo
- Manufacturer Part Number: GL616
- UPC: 644406905622
- Model: CAP – Combative Application Pistol
- Style: CAP
- Sight Type: Tritium Front / Painted Rear
- Front Sight: Green Tritium Square with Orange Outline
- Rear Sight: Flat Black with Orange Horizontal Line (non-tritium)
- Notch Style: Square
- Color: Green, Orange
- Frame Material: Steel
- Finish: Black
- Elevation Adjustment: No
- Fits: Glock Gen 1-4: 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, 39
What’s Included
- AmeriGlo CAP green tritium orange-outline front sight
- AmeriGlo CAP flat black rear sight with orange horizontal line
Frequently Asked Questions
Will the AmeriGlo GL616 CAP set fit my Glock 19?
Yes, this GL616 set is made for Glock Gen 1 through 4 models, which includes the 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, and 39. It is not cut for Gen 5 pistols or MOS models, so double-check your generation before ordering. If you're running a Gen 5, AmeriGlo makes a separate CAP set built for those slides.
Does the rear sight on the CAP set glow in the dark?
No, only the front sight has a tritium lamp that glows. The rear is a flat black sight with an orange painted horizontal line, and that's by design. Keeping the rear plain and non-glowing lets your eye travel straight through to that bright front post without any distraction.
How is the CAP sight different from a standard three-dot night sight?
A three-dot setup has you line up three glowing dots, while the CAP is a front-focused system with just one bold front square and a single reference line on the rear. The idea is faster acquisition under stress since you're not chasing multiple dots. Up close you drop the front in the rear window and shoot, and for tighter shots you rest the front square on top of the rear line.
Do I need special tools to install the AmeriGlo CAP sights?
A sight pusher tool makes installing the rear sight much easier and lets you set your windage cleanly. The rear can take some fitting to seat on a Glock slide, so a proper pusher beats hammering with a punch. Many folks have a gunsmith or their local shop press them on if they don't own the tool.






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