Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank Review

What Makes Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank Stand Out?

The Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank is designed to offer KDS9c owners a seamless solution for mounting popular red dot optics. Kimber has engineered this kit to maintain a clean, factory-like aesthetic while dramatically improving the pistol’s versatility. This dovetail-mounted system eliminates the need for permanent slide modifications, making it an attractive option for those who value their firearm’s original condition.

I’ve always valued adaptability in my firearms. I needed a reliable, non-permanent way to mount a red dot on my KDS9c without altering its original slide. The Kimber optic plate kit promised exactly that.

Upon unboxing, the kit exuded quality. The black finish was flawless, and the steel construction felt robust and confidence-inspiring. The plate itself was surprisingly lightweight, considering its purpose.

Several other dovetail optic mounting solutions exist, but many require extensive gunsmithing or sacrifice the rear sight entirely. I chose the Kimber kit for its promise of simple installation and retention of the rear sight dovetail. It was the only option that truly balanced ease of use, minimal modification, and maintained factory aesthetics.

My first impression was one of cautious optimism. I was excited by the potential, but skeptical about how well a dovetail mounting system would hold up under recoil. I was eager to test its durability and accuracy.


Real-World Testing: Putting Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank to the Test

First Use Experience

My initial testing took place at my local outdoor shooting range. I wanted a controlled environment to zero my Docter/Noblex optic and assess the plate’s stability. I shot from various distances, starting at 7 yards and extending to 25 yards.

The weather was mild, around 70 degrees Fahrenheit with a slight breeze. I fired approximately 200 rounds of 9mm ammunition. Installation was simple and intuitive using basic tools. The plate mounted securely into the KDS9c’s existing dovetail.

During the first few magazines, the optic remained firmly in place. By the fifth magazine, however, I noticed slight shifting. The setscrews securing the plate required tightening after approximately 100 rounds.

Extended Use & Reliability

After several weeks of use, the Kimber optic plate kit has proven to be reasonably reliable, but requires consistent monitoring. I’ve put approximately 1000 rounds through my KDS9c with the plate installed. Recoil is definitely a factor.

The black finish shows minor wear marks around the edges and where the optic is mounted. Overall, the steel plate appears to be holding up well structurally. I regularly clean the plate and screws with solvent.

Compared to my experience with direct-milled slides, this dovetail mounting system is less robust. However, it offers the advantage of easy removal and restoration to the original configuration. The need for periodic screw tightening is a definite drawback.

Breaking Down the Features of Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank

Specifications

The Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank is specifically designed for the Kimber KDS9c pistol. It accommodates optics with a Docter/Noblex footprint. The plate is constructed from steel, offering increased durability.

The black finish helps to prevent corrosion and blends seamlessly with the pistol’s aesthetics. The steel construction is essential for withstanding the repeated recoil forces generated by the pistol. The Docter/Noblex footprint is one of the more popular mini red dot standards, making it compatible with a wide range of optics.

Performance & Functionality

The primary function of the Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank is to provide a stable mounting platform for red dot optics. When properly installed and maintained, it achieves this goal. Accuracy is significantly improved when using a red dot optic, especially at longer distances.

The main strength is the ease of installation and removal. Its weakness is the need for periodic screw tightening to maintain zero. It meets expectations in terms of convenience, but falls slightly short in terms of rock-solid stability compared to direct-milled solutions.

Design & Ergonomics

The steel plate is well-machined and features a low profile. The black finish integrates seamlessly with the KDS9c. The weight is negligible.

The installation is straightforward and requires only basic tools. There’s a slight learning curve in terms of understanding the proper torque settings for the setscrews, to prevent stripping them.

Durability & Maintenance

The steel construction should provide a long service life under normal use. Frequent maintenance is required to ensure the setscrews remain properly torqued. The plate can be cleaned with standard gun solvents and lubricants.

Accessories and Customization Options

The kit includes the steel optic plate and the necessary mounting screws. No other accessories are included. The plate is specifically designed for optics with a Docter/Noblex footprint, limiting compatibility to those models.

It’s not compatible with optics using Trijicon RMR, Leupold DeltaPoint Pro, or other footprints without an additional adapter plate.

Pros and Cons of Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank

Pros

  • Easy installation and removal, requiring no permanent modification to the firearm.
  • Provides a stable mounting platform for Docter/Noblex footprint optics, enhancing accuracy.
  • Durable steel construction ensures longevity under normal use.
  • Maintains the original rear sight dovetail, allowing for easy reversion to the original configuration.
  • Sleek black finish seamlessly integrates with the Kimber KDS9c aesthetics.

Cons

  • Requires periodic screw tightening due to recoil-induced loosening.
  • Limited compatibility, only supporting optics with a Docter/Noblex footprint.
  • Dovetail mounting system inherently less robust than direct-milled slides.


Who Should Buy Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank?

This kit is perfect for Kimber KDS9c owners who want to experiment with red dot optics without permanently modifying their pistol. It is also well-suited for those who value the ability to easily switch between iron sights and a red dot. This is a great option for casual range shooters.

Those who demand absolute stability and are willing to commit to a direct-milled slide should skip this product. Shooters who plan to use other red dot footprints (Trijicon RMR, Holosun, etc.) should also avoid this plate.

A thread-locking compound like Loctite Blue is a must-have accessory. A high-quality torque wrench is also recommended to prevent over-tightening the setscrews.

Conclusion on Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank

The Kimber Mfg.,inc 4200423 KDS9C Dovetail Rear Sight Optic Plates Kit Black/Blank offers a convenient, non-permanent solution for mounting red dot optics on the KDS9c. The price of $117.89 is reasonable, considering the ease of installation and the ability to revert to the original configuration.

While it requires periodic maintenance, the added versatility and improved accuracy offered by a red dot optic make it a worthwhile investment. I would personally recommend it to KDS9c owners seeking a simple way to enhance their shooting experience. If you’re looking for a non-permanent optic mounting solution for your KDS9c, this Kimber kit is worth considering.

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