Review: Harry’s Holsters Singleton IWB Holster

I’ve been wearing a Harry’s Holsters Singleton since April of 2020. When I first started wearing it, it was with the intention of completing a review. Sometime around 4 months in… I realized I was wearing it by choice. I have other holsters for the G-17 I carry in the Singleton but they have been gathering dust.


The Singleton is a compact kydex IWB holster that serves as a sort of modular base for building your ideal holster. At its core, it is a kydex body that is made of two sections held together with eyelets near the trigger guard only leaving the sight track essentially open to allow a variety of sighting options. It also comes with the excellent Discreet Carry Concepts Monoblock Clip for 1.5″ belts.

The Singleton can also accept a number of accessories that can be purchased a la carte. This includes a neoprene wedge kit and the Dark Wing. It is also compatible with most other quality wings if you want to source your own.

This holster is completely ambidextrous, allowing the user to easily swap the Monoblock clip to either side for left or right side use.

Observations from Use

I purchased my Singleton for a Glock 17 and added all the optional accessories. Harry’s Holsters also included a clever prototype wing for me to check out that I may write more about in a future article.

In my time with the Singleton, I have used it for both regular IWB and AIWB carry. I initially set it up with just the Monoblock Clip for use as an IWB holster just behind the point of my hip. I found it to be comfortable in this role in large part due to the very compact size.

After that experiment, I began experimenting with a configuration that would work for my preferred AIWB carry position. This involved testing both the prototype wing, the Dark Wing, and various wedge setups with the Harry’s Holsters wedge kit. I found that both wings worked well and that I preferred to use them with a wedge pad. I added thread-locker to the hardware and this configuration is how I’ve worn it since the end of May.

The holster body itself is very compact and clever in its construction. It provides full coverage for the handgun including protection for the magazine release. It is made of two halves that are only joined by the trigger guard like you might find in a “minimalist” style holster. If you know kydex, you know the trigger guard is typically where a holster interfaces with gun that it holds providing the retention. By joining the halves near the retention point, Harry’s Holsters has created a holster that can provide consistent retention and a near infinitely accommodating sight track that is still very compact. It also provides plenty of clearance for most optics. It’s a clever design that works.

The holster body is set up for the Monoblock Clip. It is easy to use, easy to don and doff, and will never come off your belt until you intend. This clip setup allows for quite a bit of cant adjustment (20 degrees) right at the clip and can even be carried without a belt. Discreet Carry Concepts clips are game changers.

The wedge kit that is offered as an option works well for me. It includes everything you need including two different sized wedges so you can tailor how the Singleton carries to your preference. Harry’s Holsters warns that the wedge kit may be too small for the full sized holsters but I found it to be perfect. If you are planning on using this holster for AIWB carry, I recommend it. You can probably skip it for IWB carry nearer to the hip.

The Dark Wing is a great holster wing. It does a great job of turning the butt of the gun in toward the wearer which I find to be a must-have for AIWB carry. If you want to source your own wing, the eyelet spacing is industry standard and will fit pretty much any wing worth having.

The Singleton conceals very well in a variety of carry methods and it exhibits very good quality – crisp molding, excellent blocking to ensure a smooth draw and positive retention, and well-finished edges. The retention level is set perfectly from Harry’s Holsters with no need to adjust.

If I could change something, I would ask Harry’s Holsters to lean even further into their compact design and reduce the flared portion of the holster that protects the wearer from the sights. This area seems like it could be much more compact which would further reduce the footprint of this already compact holster. The good news is they have already done this. The Singleton Gen 3 holster body reduces this area significantly.

Wrap Up

The Singleton is a compact holster that is designed with flexibility in mind. It’s affordable and is designed to accept a host of proven accessories that let the holster grow or adapt with you. It’s the holster I choose to wear.


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