I've been building a few different firearms lately, including a Ruger RXM paired with the Icarus Precision aluminum grip module. One challenge with that setup is holster compatibility. After researching available options, I found that only a handful of companies currently support the RXM/Icarus combination, which is how I came across Slim Fit Holsters.
After reaching out, I had the opportunity to speak with James, CEO of Slim Fit Holsters, who provided a few review samples. As always, receiving products does not influence my opinions, and Slim Fit had no input on this review prior to publication.
For this review, I'll be taking a look at the Carnex, Slim Fit's newest sidecar-style holster system.
At first glance, the Carnex appears to be a traditional sidecar holster with an attached magazine carrier. However, Slim Fit has incorporated several features that help set it apart from many competing designs.
Modular Attachment System
My configuration includes a firearm holster and spare magazine carrier, but Slim Fit offers additional attachment options including carriers for OC spray, flashlights, and knives. Compatibility will vary depending on the specific item, so it's worth contacting Slim Fit if you have questions about a particular setup.
This modularity gives users more flexibility than a typical sidecar holster that is permanently configured around a spare magazine.
Tegris Flex Hinge
The two halves of the Carnex are connected using what Slim Fit calls a Tegris Flex Hinge. In simple terms, it's a laser-cut piece of Tegris that connects the firearm and accessory carriers.
It's a straightforward design, but one that works well. Tegris provides enough rigidity to maintain structure while still allowing the holster to flex with the body. This flexibility improves comfort when carrying and helps the system conform to the wearer's shape. I've used similar Tegris-based designs from other manufacturers and have always found them comfortable for all-day carry.
Carrier Arms Attachment
One feature I haven't seen implemented quite this way by other manufacturers is Slim Fit's Carrier Arms Attachment system.
Instead of bolting accessories directly to the holster body, the Carnex uses a Kydex carrier arm that acts as a mounting interface. Combined with multiple mounting holes, this allows users to adjust both the height and angle of attached accessories.
This added adjustability can be useful when trying to optimize comfort, improve accessibility, or create additional clearance between carried items.
Another benefit is that the Carrier Arm incorporates its own concealment wing. This works alongside the concealment wing on the firearm side and the included foam wedge to help pull both sides of the system closer to the body.
Many sidecar holsters only include a concealment wing on the firearm side, despite the spare magazine often being the portion that prints the most. Adding a second wing is a thoughtful touch that should help with concealment.
Carbon Fiber Finish
Slim Fit offers a large selection of colors and patterns, as well as thicker Kydex options for users who want additional durability.
One thing that immediately stood out to me was the carbon fiber finish.
Many carbon fiber Kydex holsters I've owned show distortion after the forming process. The pattern can appear stretched or uneven, especially around tighter contours. On the Carnex, the carbon fiber pattern is consistent throughout the holster. The finish looks clean and uniform, giving it a noticeably higher-end appearance.
If aesthetics matter to you, this is a nice bonus.
Premium Hardware
Another small detail I appreciate is Slim Fit's use of aluminum washers. My holster uses black washers, but several color options are available.
Many manufacturers use plastic washers, while others use generic metal hardware. These aluminum washers are some of the nicest I've seen on a holster. It's a small detail, but when you're spending $150-$200 on a premium carry setup, those details help justify the price.
Customization Options
One area where Slim Fit stands out is the number of options available during the ordering process.
Customers can choose from different sweat guard heights, optic compatibility, compensator coverage, colors, hardware options, and other modifications.
Many manufacturers have moved toward more standardized configurations because they simplify production, but I personally appreciate having the ability to tailor a holster to my specific setup.
Final Thoughts
At this point, my impressions are still early. Most of my time with the Carnex has been spent dry firing and getting used to the design. I'll continue carrying it and putting more range time behind it before forming a long-term opinion.
That said, my initial impressions are extremely positive. The modular design, adjustability, dual concealment wings, and overall build quality have all stood out to me so far.
I already feel that I'll end up preferring the Carnex over my current Tier 1 Axis Elite. The ability to comfortably carry pepper spray alongside a firearm while maintaining good concealment is particularly appealing.
I'm looking forward to spending more time with the Carnex and seeing how it performs as an everyday carry setup.
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