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The AmeriGlo GL-457 is a tall Optic Compatible sight set built for Glock owners running a slide-mounted red dot who still want dependable irons behind the glass. It pairs a serrated black .300" front blade with a flat black .375" square notch rear, and the extra height lets your sights line up through or below your optic window instead of disappearing under it.
This is the 5L height in AmeriGlo's Optic Compatible lineup, and the numbers matter here. The .300" front and .375" rear are sized to give you a lower 1/4 co-witness on a Gen 5 MOS or Gen 6 Glock depending on your optic's deck height. It plays especially well with enclosed-emitter footprints like the Holosun EPS and RMSc/RMS-K size optics, so if you're running one of those, this set gets your dot and irons living in the same window. If you're not sure where your particular red dot sits, matching sight height to optic deck height is the whole game, and the 5L splits the difference for a lot of common pistol dots.
The serrations on the front blade are there for a reason. They break up light so you don't get a shiny bead washing out your focus in bright sun, which keeps the front sight reading black and crisp. The rear is a plain flat black with a square notch, so there's no competing color or dot back there to pull your eye off the front. That black-on-black layout is a favorite for folks who want the red dot to be the primary aiming reference and the irons to be a clean, uncluttered backup.
These are steel-bodied sights that fit all Glock models, and they drop into the standard Glock dovetails. Front install typically calls for the correct Glock front sight tool, and the rear seats with a sight pusher for a clean, centered fit. AmeriGlo has built its name on Glock sights for years, and this set carries that same reputation for solid machining and a sight picture that just gets out of the way when you're behind an optic.
The 5L height is sized for a lower 1/4 co-witness on a Gen 6 or MOS Glock depending on your optic's deck height. It's a strong match for enclosed-emitter dots and RMSc/RMS-K footprint optics like the Holosun EPS. Since co-witness depends on your exact slide and optic, check your red dot's deck height against the .300" front for the best result.
Yes, this set is designed to fit all Glock models and drops into the standard Glock front and rear dovetails. Keep in mind it's built as a tall optic-compatible set, so it shines on slides running a mounted red dot rather than a standard iron-sight-only setup.
The serrations break up reflected light so the front blade stays black and sharp in bright conditions instead of glaring back at you. With a red dot as your primary aiming point, a clean black serrated front and plain black rear keep the irons uncluttered so they don't compete with your optic.
For the cleanest install, a Glock front sight tool handles the front screw and a sight pusher seats and centers the rear in the dovetail. The rear can be tapped in with a brass punch if needed, but a pusher gives you better control and a properly centered zero to start from.
| UPC | 644406913184 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GL-457 |
| Style | Square Notch |
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