The AmeriGlo XL Tall Optic-Compatible i-Dot Sight Set for Glock (brand part no. GL391) raises an i-Dot night sight pair high enough to see over a slide-mounted red dot. The front is a green tritium lamp with a LumiGreen outline, and the rear is a single green tritium dot, so the dot-over-dot picture glows in low light even when the optic is off. At XL height the front blade is 0.315 inch tall and the rear is 0.394 inch overall. The maker lists the set for all Glock models and for MOS slides, and it works as backup or co-witness iron sights.

Key Specifications

• The set fits all Glock models, per the maker’s fit listing for this part number.
• Sight height is XL Tall, raised for use with a pistol-mounted red dot.
• The front sight is green tritium for low-light visibility.
• The front outline is LumiGreen, a bright daylight outline.
• The rear sight is an i-Dot single green tritium dot that lines up under the front dot.
• Overall rear height is 0.394 inch, with a rear blade height of 0.314 inch.
• The set is meant for backup or co-witness use with a pistol red dot.

Frequently Asked Questions

Which Glock models does this set fit? AmeriGlo lists it for all Glock models and for MOS slides.

Is this a night sight? Yes. Both the front and rear sights use green tritium, and the rear is a single i-Dot dot.

What is the XL Tall height for? AmeriGlo designs the optic-compatible sets as co-witness or backup irons for a pistol-mounted red dot.

Buy the AmeriGlo XL Tall Optic-Compatible i-Dot Sight Set for Glock

We ship from our Lubbock, Texas gun shop with fast, insured delivery; see the rest of our gun sights too.