XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green Review

First Thoughts on the XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green

As an avid shooter and someone who’s spent over a decade immersed in the world of tactical gear, I’m always on the lookout for upgrades that offer a tangible advantage. The XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights immediately caught my eye with their promise of enhanced visibility and robust construction. XS Sights claims these sights are a premium solution for Glock suppressor sights.

I needed a reliable set of suppressor height sights for my Glock 21 build; I wanted to co-witness with a red dot optic. My aging eyes also struggled with the standard sights in low-light conditions, making the tritium and high-contrast front sight a major selling point.

Upon unboxing, I was impressed by the solid feel and clean lines of the sights. The BlackNitride finish looked exceptionally durable and the green front sight was noticeably vibrant. Compared to the basic factory sights and a set of older tritium sights I had on another pistol, the XS Sights R3D 2.0 sights felt like a significant upgrade.

I was definitely excited; the promise of improved visibility and the ability to co-witness with my red dot seemed like it would solve my current issues. If these sights lived up to the hype, they would be a welcome addition to my Glock 21.

Real-World Testing: Putting XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green to the Test

First Use Experience

My initial testing took place at my local outdoor range under varying lighting conditions, from bright sunlight to overcast skies. I also spent some time at an indoor range, which allowed me to assess the sights’ performance in low-light scenarios. Installation was surprisingly straightforward, taking only about 15 minutes with a sight pusher tool.

The immediate improvement in sight acquisition was noticeable. The high-contrast green front sight jumped out, making target acquisition faster and more intuitive, even in bright sunlight. In low-light conditions, the tritium lamps glowed steadily, providing a clear sight picture without being overly bright or distracting.

I didn’t have any issues, and the sights performed exactly as advertised. The vibrant green front sight and the clear tritium lamps provided a significant advantage over traditional sights.

Extended Use & Reliability

After several range trips and a few hundred rounds downrange, the XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights have held up exceptionally well. There are no visible signs of wear or tear on the BlackNitride finish, and the tritium lamps are still burning bright. Cleaning is easy; a quick wipe with a silicone cloth keeps them looking like new.

These sights outperform my previous experiences with factory Glock sights and other aftermarket options. The XS Sights R3D 2.0’s durability and enhanced visibility are unmatched.

Breaking Down the Features of XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green

Specifications

The XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights are designed specifically for Glock 20, 21, 29, 30, 30S, 37, and 41 pistols. They feature a tritium lamp in both the front and rear sight for low-light visibility and a high-contrast colored front sight for quick target acquisition.

The sights boast a serrated rear sight to reduce glare and a BlackNitride finish for enhanced wear and corrosion resistance. They also have black PVC rings to enhance the tritium in the rear sight, an anti-reflective rear tritium lens, and a rear sight ledge for one-handed slide manipulations. The sights are CNC machined steel for durability and are backed by a 12-year warranty on the tritium. The suppressor height allows co-witnessing with red dot sights like the Trijicon RMR, SRO, Holosun 507c series, and Vortex Viper on MOS pistols.

Performance & Functionality

The XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights excel at their primary function: providing a clear and easily acquired sight picture in any lighting condition. The high-contrast front sight and tritium lamps work in tandem to ensure quick target acquisition and accurate shot placement.

The only potential downside is that the suppressor height may be unnecessary for users who don’t plan on using a suppressor or red dot optic. However, the added height doesn’t negatively impact the sights’ performance or usability. These sights definitely meet and exceed my expectations for improved visibility and reliability.

Design & Ergonomics

The XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights are well-designed and constructed from high-quality materials. The CNC machined steel feels solid and durable, and the BlackNitride finish provides excellent corrosion resistance. The serrated rear sight effectively reduces glare, and the rear sight ledge allows for easy one-handed slide manipulations.

The sights are user-friendly and require no special tools or skills to install (although a sight pusher tool is recommended). The sight picture is clean and uncluttered, making it easy to focus on the target.

Durability & Maintenance

The durable construction and BlackNitride finish of the XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights suggest they will last for many years with proper care. The tritium lamps are warrantied for 12 years, providing peace of mind.

Maintenance is minimal, and a quick wipe with a silicone cloth is all that’s needed to keep them clean and functioning optimally.

Accessories and Customization Options

The XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights don’t come with any additional accessories, but they are designed to be compatible with popular red dot optics like the Trijicon RMR, SRO, Holosun 507c series, and Vortex Viper. This allows users to customize their Glock 21 with a red dot sight while maintaining a co-witnessed iron sight picture. The suppressor height is specifically designed for this compatibility.

Pros and Cons of XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green

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Who Should Buy XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green?

The XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights are perfect for Glock 21 owners who prioritize enhanced visibility, especially in low-light conditions. They are also ideal for those who plan on using a suppressor or red dot optic and want to maintain a co-witnessed iron sight picture. Law enforcement, security personnel, and anyone who relies on their Glock 21 for personal defense would greatly benefit from these sights.

Those who should skip this product are shooters on a very tight budget or those who have no intention of using a suppressor or red dot optic. The added height may not be necessary for these users.

A must-have accessory for these sights is a quality red dot optic, such as a Trijicon RMR or Holosun 507c, to take full advantage of the co-witnessing capability.

Conclusion on XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green

The XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights are a worthwhile investment for anyone looking to upgrade the sighting system on their Glock 21. The enhanced visibility, durable construction, and compatibility with red dot optics make these sights a top-tier option.

The price of $129.99 is justified by the quality of materials, the enhanced features, and the peace of mind that comes with a 12-year warranty on the tritium. I would highly recommend these sights to anyone who relies on their Glock 21 for personal defense, law enforcement, or recreational shooting.

If you’re serious about improving your Glock 21’s sighting system, don’t hesitate; upgrade to the XS R3D 2.0 FOR GLOCK 21 Suppressor Height Green sights today! You won’t be disappointed.

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