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The AmeriGlo GL349 optic-compatible 3XL tall sight set gives you a dependable backup aiming solution for your Glock MOS slide-mounted red dot. Designed to co-witness through the optic window, these elevated sights keep your gun ready to fight if your glass fails or runs out of battery—a setup that's become standard thinking for serious shooters running modern optics. The 3XL height works with popular optics like the Holosun 407C, 507C, and 508T, as well as Trijicon RMR, RCR, SRO, and EOTech EFLX, so you get real versatility whether you're building a duty gun, competition setup, or carry backup.
Green tritium tubes with white outlines front and rear give you visibility in low light without any batteries or light activation. The front sight features a single dot; the rear is a traditional 2-dot style with a square notch. Both sights have case-hardened steel construction—the kind of finish that soaks up hard use and keeps running. This is real iron-sight reliability dressed up to work alongside glass.
The GL349 fits all Glock MOS models except the 42, 43, and 48. AmeriGlo sized these sights specifically for the MOS platform, so you get a true co-witness picture looking through your optic's window. No guess work, no shimming or filing—they just work. If you're running a Glock MOS with a red dot and want to keep traditional sights as backup, this set delivers the elevation and durability you need.
| Brand | AmeriGlo |
| Model | GL349 |
| Fits | Glock MOS (all models except 42, 43, 48) |
| Size | 3XL |
| Front Sight Height | 0.365 in. (9.27 mm) |
| Rear Sight Height (overall) | 0.451 in. (11.46 mm) |
| Front Blade Width | 0.125 in. (3.18 mm) |
| Rear Notch Width | 0.15 in. (3.81 mm) |
| Rear Notch Shape | Square |
| Front Tritium Color | Green |
| Front Outline Color | White |
| Rear Tritium Color | Green |
| Rear Outline Color | White, Black |
| Finish | Case Hardened |
| Sight Style | Front: Single-dot tritium; Rear: 2-dot tritium |
Yes. The AmeriGlo GL349 is specifically designed to co-witness through the window of your mounted optic, allowing you to aim through the red dot while keeping these iron sights visible as a backup if your optic fails or loses battery.
These sights are optimized for Holosun 407C, 507C, and 508T; Trijicon RMR, RMR HD, RCR, and SRO; and EOTech EFLX optics on MOS slides.
The GL349 fits all Glock MOS slides except the 42, 43, and 48.
Both front and rear sights use green tritium tubes with white outlines. Tritium is self-illuminating and requires no battery, so your sights remain visible in darkness and dim conditions.
SKU: 115861909 • Width: 4in • Height: 1in • Depth: 5.8in • Weight: 0.05oz