Description
The AmeriGlo Protector set takes the guesswork out of finding your front sight when it counts. The front post uses a green tritium lamp ringed by an orange ProGlo outline, so your eye lands on that bright aiming point instantly, whether you're on the range in daylight or working in a dark hallway. Out back sits a black serrated steel rear with a U-notch that pulls glare off the sight picture and frames the front dot cleanly for quick, confident aiming.
What Makes the Protector Sight Set Click
This is a front-sight-focused design, and that's the whole point. The .140-inch wide front and .165-inch rear notch give you a little daylight on either side of the post, which makes it easier to center up fast without slowing down for a fine, precise picture. Both front and rear are built from steel with a case-hardened finish, so they hold up to hard use and rough handling. The flat-sided rear also gives you an edge to hook on a belt or holster for one-handed slide racking if you ever need it.
Fitment for Your Glock Protector Setup
This GL353 set covers a wide swath of the Glock lineup, fitting models 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, and 39 across Gen 1 through 4 in 9mm, .40, and .380, plus Gen 5 in 10mm and .45. That makes it a solid one-stop upgrade whether you're running a full-size duty gun or a compact carry piece.
Installing the Protector Sights
Owners consistently report clean machining and a straightforward install, though the front sight uses the standard Glock hex-nut screw, so a proper front sight tool makes the job painless. The rear is a press fit, so a sight pusher or a trip to the gunsmith is the way to go if you don't have the tools on hand. Do it right with a dab of thread locker and these sights will run for years. A lot of folks compare the visibility and value here favorably against pricier premium sets.
Key Specifications
- Manufacturer: AmeriGlo
- Manufacturer Part Number: GL353
- UPC: 644406904700
- Style: Protector
- Front Sight: Green Tritium with Orange ProGlo Outline
- Rear Sight: Black Serrated Steel U-Notch
- Front Sight Width: 0.140 in
- Rear Notch Width: 0.165 in
- Material: Steel, Case-Hardened Finish
- Illumination: Tritium (Front)
- Fits: Glock 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, 39
- Generation Compatibility: Gen 1-4 (9mm/.40/.380), Gen 5 (10mm/.45)
- Best Use: Concealed Carry, Personal Defense, Range
What’s Included
- AmeriGlo GL353 green tritium front sight
- Black serrated steel rear sight
- Installation instructions
Frequently Asked Questions
Which Glock models does the AmeriGlo GL353 Protector sight set fit?
This set fits a broad range of the Glock lineup, including models 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, and 39. It covers Gen 1 through 4 in 9mm, .40, and .380, along with Gen 5 in 10mm and .45. Double-check your specific model and generation against the fitment list before ordering.
Are these Protector sights bright enough for both day and night use?
Yes, that's the strength of this design. The green tritium lamp glows on its own in the dark, while the orange ProGlo outline stands out sharply in daylight so your eye finds the front post fast. Users regularly note the front sight is highly visible in all conditions.
Do I need special tools to install the GL353 sight set?
The front sight uses the standard Glock hex-nut screw, so a Glock front sight tool makes that part quick and clean. The rear is a press fit and works best with a sight pusher tool, so if you don't have one, having a gunsmith handle it is a smart move. A little thread locker on the front screw keeps everything locked in place.
Is the rear sight metal or plastic?
The Protector rear sight is machined from steel with a case-hardened finish, and the serrated flat face helps cut glare. That steel construction also gives you a solid edge to catch on a belt or holster for one-handed slide manipulation if the situation calls for it.






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