Let’s Talk About Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43
The Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 is a factory replacement sight designed for several full-size and compact Glock models. Manufactured by Glock, this 6.9mm rear sight offers a simple, cost-effective solution for replacing damaged or worn sights. I’ve spent years tinkering with Glocks, upgrading everything from triggers to slides. But sometimes, the simplest solution is the best.
I needed to replace the rear sight on my Glock 20 after a mishap during a hunting trip. The original sight got cracked when I slipped on some ice, and while it was still functional, my confidence in its ability to hold zero was shaken. I wanted a reliable, no-frills replacement that wouldn’t break the bank.
My first impression of the Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 was its lightweight polymer construction. The sight felt surprisingly robust despite its weight, and the white markings were clearly visible. Compared to aftermarket steel sights, this Glock sight is significantly lighter, which is a plus for a carry gun.
I considered steel aftermarket sights from Trijicon and Ameriglo, but ultimately opted for the Glock OEM part because of its affordability and known compatibility. Aftermarket sights can be fantastic, but sometimes the tolerances aren’t quite perfect, leading to fitment issues. I was pleasantly surprised by the simplicity and functionality of this sight.
Real-World Testing: Putting Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 to the Test
First Use Experience
I tested the Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 at my local shooting range under normal lighting conditions. Installation was straightforward using a Glock sight tool. The sight picture was clear and easy to acquire, even with my aging eyes.
The polymer material held up well against the slide during repeated firing. There were no noticeable shifts in zero after the first 100 rounds. I found the sight easy to use, requiring no adjustment period whatsoever.
Extended Use & Reliability
After several months of regular range sessions, the Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 continues to perform flawlessly. There are no signs of wear or cracking despite frequent handling and cleaning. I have also carried my Glock 20 with this sight during several hikes.
Cleaning is easy with a simple wipe-down after each range visit. The polymer material doesn’t seem to attract dirt or grime. This sight has outperformed my initial expectations, proving to be a reliable and cost-effective replacement.
Breaking Down the Features of Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43
Specifications
The Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 is specifically designed for Glock models 20, 21, 29, 30, 36, and 37. The sight height is 6.9mm, providing a standard sight picture. It is not compatible with Glock models 42 and 43.
The sight is constructed from a durable polymer material. It features a white marking for enhanced visibility. The fixed design ensures a consistent point of impact.
Performance & Functionality
The Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 performs its job admirably. The fixed design offers inherent reliability and consistency. Its simplicity is its greatest strength.
The sight’s greatest strength is its ease of installation and clear sight picture. A potential weakness is the polymer construction, which might not be as durable as steel under extreme stress. Overall, this sight meets and exceeds expectations for a basic, reliable replacement.
Design & Ergonomics
The Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 features a simple, functional design. The polymer material keeps the weight down. The white marking is easily visible in most lighting conditions.
The sight is user-friendly and requires no special training to use. Installation is relatively simple with the proper tools. The low-profile design minimizes snagging.
Durability & Maintenance
The polymer construction is durable enough for regular use. It’s not as bomb-proof as steel, but it holds up well under normal conditions. With proper care, it should last for years.
Maintenance is simple, requiring only occasional cleaning. No special tools or solvents are needed. The sight’s ease of maintenance is a definite plus.
Accessories and Customization Options
This is a fixed sight and offers minimal customization options. Users can adjust the front sight height to fine-tune their point of impact. There are no readily available accessories for this sight specifically. However, it is compatible with any Glock that accepts standard rear sights for the specified models.
Pros and Cons of Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43
Pros
- OEM part ensures perfect fit and compatibility.
- Affordable price point makes it an excellent value.
- Lightweight polymer construction reduces overall gun weight.
- Clear white marking provides good visibility.
- Easy to install with basic tools.
Cons
- Polymer construction may not be as durable as steel in extreme conditions.
- Fixed design offers no adjustability for windage or elevation.
Who Should Buy Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43?
This sight is perfect for Glock owners looking for a reliable and affordable OEM replacement. It’s also suitable for those who prefer a simple, no-frills sight picture. It benefits casual shooters and those looking to restore their Glock to its factory configuration.
This product should be skipped by those who require adjustable sights for fine-tuning accuracy. Also, shooters who demand the ultimate durability might prefer steel aftermarket sights. A Glock sight tool is a must-have accessory for easy installation.
Conclusion on Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43
The Glock 20/21/29/30/36/37 6.9MM Fixed Rear Polymer Sight, Not G42/G43 is a simple, reliable, and affordable replacement sight. Its value proposition is excellent, offering OEM quality at a budget-friendly price. I would personally recommend this sight to anyone looking to replace a damaged or worn rear sight on their compatible Glock model.
If you’re looking for a no-nonsense replacement that gets the job done, this sight is a solid choice. Upgrade your Glock today with this simple and effective sight!