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The AmeriGlo 4XL set (GL-495) is built for one job and does it well: giving red dot Glock owners a proper co-witness. The extra height lifts the sight line so your irons sit right where they need to be behind a slide-mounted optic, and if your battery ever quits you still have a glowing front dot to run the gun. AmeriGlo pairs a green tritium front lamp with a crisp white outline, so your eye snaps to the front post fast in daylight and the tritium takes over once the sun goes down.
This is the taller end of AmeriGlo's optic-compatible lineup. The front blade measures .385 inches high with a .125 inch width, and the rear comes in at .480 inches overall with a flat black finish. That flat, non-glowing rear is intentional. It keeps glare down and pushes your focus onto the front dot, which is exactly what you want whether you're aiming through the glass or dropping down to irons. The 4XL is a good match for setups with a taller optic or plate stack, so it's worth checking your dot's window height before you commit to this height.
The GL-495 is cut for the standard Glock dovetail and fits across the full-size and compact Glock lineup, including MOS slides. It's not meant for the slimline 42, 43, and 48 frames, which use a different sight cut. If you're running an RMR-footprint dot, an SRO, a 509T, or a similar optic that sits a little taller, the 4XL front is the kind of height people reach for.
Tritium is the reason these get picked over painted sights. The lamps glow on their own with no charging needed, so a bright front dot is there in total darkness for home defense or low-light work. A sight pusher makes installation clean and keeps your slide happy, and most folks add a dab of thread locker to the front screw so it stays put. Zero it after install and you'll have a rugged backup that shrugs off round after round.
Yes, the 4XL is one of AmeriGlo's taller optic-compatible heights, built to give an elevated sight picture that co-witnesses with slide-mounted miniature red dots. The 4XL front is a common pick for taller optics like an SRO, 509T, or a plate stack setup. Co-witness style varies by optic, so it's smart to confirm your dot's window height before choosing this height.
The GL-495 is cut for the standard Glock dovetail and fits across the full-size and compact Glock models, including MOS slides. It is not designed for the slimline 42, 43, and 48 frames, which use a different sight cut.
They do. The front sight uses a green tritium lamp that glows on its own with no battery or light exposure needed, so you get a bright front dot even in total darkness. The white outline around the front also helps your eye find the post fast during daylight and dawn or dusk.
The rear sight really wants a sight pusher to install cleanly without marring your slide, and the front screws in with a hex key. Many owners add a dab of thread locker to the front screw so it stays put, then confirm zero at the range. If you don't have the tools, having a gunsmith press them on is a quick and inexpensive job.
| UPC | 644406913009 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GL-495 |
| Shipping Weight | 0.075 |
| Style | Optic Compatible |
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