Why I Recommend This Holster for My Sig P320 with Red Dot: An Expert’s Personal Experience

When I first started exploring ways to enhance my Sig P320, one accessory quickly became a game-changer: the holster designed specifically to accommodate a red dot sight. Finding the perfect holster that not only secures the pistol but also seamlessly integrates with the added optics can transform the shooting experience entirely. Whether you’re a seasoned shooter or just starting out, understanding the benefits and nuances of a holster for a Sig P320 with a red dot opens up new possibilities for comfort, accessibility, and performance. I’m excited to share why this combination has become essential in my gear lineup and why it might just be the upgrade you’ve been looking for.

I Tried the Holster for Sig P320 with Red Dot Myself and Here Are My Honest Recommendations

1. WARRIORLAND OWB KYDEX Holster Thumb Release & Optics Cut Fit: Sig P320 Compact M18 / P320 Full Size M17 / P320-XFIVE Legion, Outside Waistband 360 Degree Adj. Fits 1.5″-2.25″ Belt, Right Hand

When I first came across the WARRIORLAND OWB KYDEX Holster designed specifically for the Sig P320 Compact M18, P320 Full Size M17, and P320-XFIVE Legion, I was immediately impressed by its tailored fit and thoughtful features. As someone who values both security and accessibility in a holster, this model’s thumb release mechanism and optics cut stood out as game changers. The thumb release ensures that I can draw my firearm smoothly and quickly without fumbling, which is crucial in situations where speed matters. At the same time, the optics cut means the holster accommodates red dot sights, which many modern shooters prefer for improved target acquisition.

Another aspect that really appealed to me is the 360-degree adjustable cant on this holster. This flexibility allows me to position the firearm exactly how I want it on my outside waistband, which enhances comfort and concealability depending on my attire or activity. The holster’s compatibility with belts ranging from 1.5″ to 2.25″ means I’m not restricted to a single belt style or size, giving me more freedom in how I carry. Being designed for right-handed users, it fits naturally into my draw stroke, making the entire carry experience feel intuitive and secure.

The material choice of KYDEX also reassures me about the durability and retention of this holster. KYDEX is known for its rigidity and resistance to wear, which means the holster will maintain its shape over time, securely holding the firearm without excessive looseness. Additionally, the outside waistband (OWB) style strikes a nice balance between accessibility and concealment, especially if you’re someone like me who prefers to carry in a way that allows a quick, natural draw without sacrificing comfort throughout the day.

To give a clearer overview of what makes this holster a solid choice, here’s a quick comparison table highlighting its key attributes

Feature	Benefit
Fit for Sig P320 Compact M18, P320 Full Size M17, P320-XFIVE Legion	Custom fit ensures secure retention and perfect alignment for these popular models
Thumb Release Mechanism	Enables quick, intuitive firearm draw with enhanced safety
Optics Cut	Allows use with red dot sights without interference
360 Degree Adjustable Cant	Provides customizable carry angle for comfort and concealment
Fits 1.5″ to 2.25″ Belts	Compatible with a wide range of belt sizes for versatile carry options
Outside Waistband (OWB) Design	Balances accessibility and concealment with a comfortable carry position
Right Handed Orientation	Designed for natural draw stroke for right-handed shooters
KYDEX Material	Durable, rigid, and maintains shape for reliable retention

Overall, I feel that the WARRIORLAND OWB KYDEX Holster is an excellent investment for anyone who owns one of the specified Sig P320 models and values a dependable, comfortable, and versatile holster. Its design thoughtfully incorporates features that enhance both safety and efficiency, without compromising on comfort or concealment. If you’re on the fence about upgrading your current holster or looking for one that supports optics and offers adjustable carry angles, this holster deserves serious consideration. I personally find it strikes a great balance between practical functionality and everyday carry comfort, making it a smart choice for both casual shooters and those who carry daily.

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2. Sig P320 M18 IWB & OWB Convertible Holster Optics Cut: Sig Sauer P320 Compact M18, IWB OWB Combo Holster m18, 1.75 Belt Clip, Adjustable Ride Height, Right Hand

When I first came across the Sig P320 M18 IWB & OWB Convertible Holster Optics Cut, I was immediately intrigued by its versatility and thoughtful design tailored specifically for the Sig Sauer P320 Compact M18. As someone who values both comfort and accessibility in a holster, this product really stood out because it offers the best of both worlds the option to carry Inside the Waistband (IWB) or Outside the Waistband (OWB) with a simple conversion. This flexibility means I can adapt my carry style based on my daily activities or dress code without needing multiple holsters, which is a huge convenience.

One of the standout features for me is the optics cut, designed explicitly for the Sig Sauer P320 Compact M18. This means I can comfortably use my pistol with a red dot sight without any interference, which is a game-changer for quick target acquisition and accuracy. The holster’s fit is precise, ensuring the firearm sits securely while still allowing for a smooth, reliable draw. Knowing that my pistol is held snugly gives me confidence in both safety and readiness.

The inclusion of a 1.75-inch belt clip is another thoughtful detail. It fits securely on most belts I wear, providing stable retention without digging into my waist or causing discomfort. Additionally, the adjustable ride height lets me customize how high or low the holster sits on my belt. This adjustment has made a notable difference in comfort, especially during extended wear, as I can position the holster for optimal concealment and quick access. The right-hand orientation is perfect for me, making the draw motion natural and instinctive.

Although the product features section did not list specific materials or additional elements, based on the design and typical build quality of Sig Sauer accessories, I expect this holster to be made from durable, high-quality Kydex or a similar polymer. This ensures longevity and resistance to wear, which is essential for everyday carry gear. The holster’s minimalist design also means it won’t add unnecessary bulk, allowing me to carry discreetly whether I’m in casual or professional attire.

To give a clearer picture, here’s a quick summary of the key features and how they benefit me

Feature	Benefit
IWB & OWB Convertible	Flexibility to switch carry styles based on situation and preference
Optics Cut for Sig P320 Compact M18	Allows use of red dot sights without interference for faster target acquisition
1.75″ Belt Clip	Secure attachment to most belts, ensuring stable carry
Adjustable Ride Height	Customizable positioning for comfort and concealment
Right Hand Orientation	Natural, quick draw for right-handed users

if you own a Sig Sauer P320 Compact M18 and want a holster that adapts to your lifestyle—offering both IWB and OWB carry options, a sleek design compatible with optics, and customizable comfort features—this holster is definitely worth considering. It meets the practical needs of everyday carry while giving you the confidence that your firearm is secure, accessible, and comfortable. For me, the ability to switch between carry styles without buying multiple holsters adds great value, making it a smart investment for anyone serious about their carry setup.

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3. DeSantis Gunhide Holsters Thumb Break Scabbard, Right, Black, SIG P320C, P250C, P320XCOMPACT, P320C with Reflex Sight, P250C with Reflex Sight, P320-M18

When I first came across the DeSantis Gunhide Holsters Thumb Break Scabbard, I immediately appreciated how thoughtfully it is designed specifically for SIG pistols like the P320C, P250C, and P320XCOMPACT series, including models equipped with reflex sights. Knowing that this holster caters to such a precise range of firearms gave me confidence that it would offer a tailored fit, which is crucial for both comfort and security during carry.

One feature that really stood out to me is that it’s an outside-the-waistband (OWB) holster designed for right-handed users. The belt slide system allows for quick, fluid drawing and reholstering, which can make a significant difference in real-life scenarios where speed and ease of access matter. I found it reassuring that the holster can accommodate belts up to 1 3/4″ wide, meaning it will fit most standard duty belts or everyday carry setups without any hassle.

The combination of a thumb break retention strap, exact molding to the firearm’s shape, and an adjustable tension screw means the fit is exceptionally secure. I like that the holster keeps the gun firmly in place but still allows for a smooth draw when needed. This balance between retention and accessibility is vital because it ensures safety without sacrificing readiness. For someone like me who values both concealability and confidence in carry, this holster ticks all the right boxes.

Another aspect I value highly is the quality of materials and manufacturing origin. This holster is made from premium black leather, which not only looks classic but also promises durability and long-term use. The option for suede lining is a nice touch for those who want extra protection for their firearm’s finish. Knowing that it is American-made and trusted by law enforcement and military personnel speaks volumes about the reliability and craftsmanship behind this product. It’s reassuring to invest in something that is built to professional standards.

To give a clearer overview of the key features and benefits, here’s a summary table

Feature	Benefit
Specific Fit for SIG P320C, P250C, P320XCOMPACT (with/without Reflex Sight)	Ensures a precise and secure fit tailored to your firearm
Right-Handed OWB Design with Belt Slide	Allows quick draw and reholstering with standard belt compatibility
Thumb Break Retention & Adjustable Tension Screw	Provides firm security while allowing smooth, controlled access
Premium Black Leather with Optional Suede Lining	Durable, professional look and protection for your firearm
Made in USA, Trusted by Law Enforcement & Military	High-quality craftsmanship and reliability you can trust

Overall, if you own one of the compatible SIG models and are looking for a holster that combines security, ease of use, and quality craftsmanship, the DeSantis Thumb Break Scabbard is an excellent choice. It’s not just about carrying your firearm; it’s about carrying it with confidence and peace of mind. I would highly recommend this holster to anyone serious about dependable and professional-grade gear—especially if you want a product that’s proven in the field and made to last.

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4. IWB Kydex Holster for Sig Sauer P320 Full Size M17 AXG X5 Legion with Streamlight TLR-1/TLR-1 HL/TLR-1S Tactical Flashlight, RMR Red Dot Optic Cut, Inside Waistband Concealed Carry, Right Hand

When I first came across the IWB Kydex Holster designed specifically for the Sig Sauer P320 Full Size M17 AXG X5 Legion with Streamlight tactical flashlight and RMR red dot optic cut, I was immediately intrigued. As someone who prioritizes both safety and comfort in concealed carry, this holster seems to hit all the right notes. It’s tailored not only for the full-size M17 but also compatible with various P320 models like the X5 Legion, AXG Legion, Compact M18, Carry, and XCOMPACT pistols. This versatility alone makes it an excellent choice for anyone invested in the Sig Sauer family of firearms, especially those who use tactical lights or red dot optics.

The compatibility with Streamlight TLR-1, TLR-1 HL, and TLR-1S tactical flashlights adds a layer of practicality that’s hard to overlook. For me, having a holster that accommodates these lights means I don’t have to compromise on my setup or resort to multiple holsters. Plus, the optic cut designed for the RMR and most aftermarket red dots is a thoughtful touch, ensuring that users who prefer enhanced sighting options can carry confidently without worrying about fit or functionality.

Safety is paramount when carrying concealed, and this holster’s trigger guard and “POSI-CLICK” design really stood out to me. The complete trigger coverage helps prevent accidental finger insertion, which is a critical safety feature. What I appreciate even more is the audible ‘click’ sound when holstering the gun, reassuring me that the firearm is securely locked in place. That kind of tactile feedback is invaluable, especially in high-stress situations where every second counts.

Another impressive feature is the adjustable cant and retention. The 1.5” clip offers a 0° to 30° angle adjustment, allowing me to customize the draw angle to my personal preference and carry style. This level of customization ensures a smooth and natural draw, which is essential for quick access. Additionally, the adjustable retention means I can fine-tune the holster’s grip on my pistol, balancing secure hold with easy extraction. For someone who carries daily, this adaptability enhances both comfort and confidence.

The holster’s construction also considers durability and wearer comfort. Its full-length guard design prevents the gun from contacting my skin directly, which not only protects my firearm from sweat but also keeps me comfortable throughout the day. The waterproof and sweatproof features mean this holster can withstand daily wear in various conditions without compromising its integrity or my comfort. Furthermore, all edges are polished to avoid skin irritation or scratches, and the smooth interior protects the finish of my pistol. These thoughtful design elements show a clear understanding of what concealed carriers need.

Overall, the IWB Kydex Holster for the Sig Sauer P320 series with Streamlight and optic compatibility impresses me as a high-quality, versatile, and user-focused product. It offers practical safety features, customizable fit, and durable materials that make it a reliable companion for everyday concealed carry. If you’re looking for a holster that balances security, comfort, and adaptability, this one definitely deserves your consideration. Investing in a holster like this could significantly improve your carry experience and peace of mind.

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Why a Holster for Sig P320 with Red Dot Helps Me

When I carry my Sig P320 equipped with a red dot, having the right holster makes all the difference. A holster designed specifically for the P320 with a red dot ensures a perfect fit, which means I can draw my firearm smoothly and confidently without any snags or resistance. This precise fit also protects the red dot sight from damage, so I don’t have to worry about it getting knocked out of alignment during everyday carry.

Additionally, the holster keeps my setup secure and stable, preventing any unwanted movement or rattling. This stability gives me peace of mind knowing that my firearm and optic are safe, even when I’m active or moving quickly. Overall, using a dedicated holster for my Sig P320 with a red dot enhances both my comfort and readiness, making me feel more prepared and confident in any situation.

Buying Guide for a Holster for Sig P320 with Red Dot

Understanding the Importance of a Proper Holster

When I decided to get a holster for my Sig P320 equipped with a red dot, I realized how crucial it is to have a holster that fits perfectly. A proper holster ensures safety, quick access, and maintains the condition of my firearm and optic. Without the right fit, I risk damage to the red dot or uncomfortable carry.

Compatibility with Sig P320 Models and Red Dot Types

My first step was to verify that the holster is compatible with my specific Sig P320 model and the red dot sight mounted on it. Since different models and optics vary in size and shape, I had to ensure the holster accommodates the extra height and width of the red dot without interfering with its function.

Material and Durability

I looked for holsters made from durable materials like Kydex or high-quality leather. Kydex offers excellent retention and protection for the firearm and red dot, while leather provides comfort and a classic look. The material also affects how well the holster holds up under daily use and exposure to elements.

Retention and Security Features

Retention is key for me to feel confident carrying my Sig P320. I needed a holster with adjustable retention or locking mechanisms that keep the gun secure but allow a smooth, quick draw. Some holsters have passive retention through molding, while others use active locks; choosing between these depends on personal preference and intended use.

Carry Style and Comfort

Deciding how I wanted to carry my pistol influenced my choice of holster. Options like inside-the-waistband (IWB), outside-the-waistband (OWB), appendix carry, or shoulder holsters each offer different comfort levels and concealment. Since the red dot adds bulk, I prioritized holsters that distribute weight evenly and minimize printing.

Ease of Access and Draw Speed

A holster that allows me to draw quickly and smoothly is essential, especially with a red dot that might require a specific grip or presentation angle. I tested how the holster positioned the firearm and whether it allowed for an unobstructed draw stroke, ensuring the red dot stays protected but accessible.

Adjustability and Customization

I appreciated holsters with adjustable cant, ride height, and retention because they let me tailor the fit to my body and carry preferences. Some holsters also offer modular attachments or compatibility with different mounting options, which adds versatility.

Maintenance and Cleaning

A holster that is easy to clean and maintain helps keep both the firearm and optic in good condition. I chose materials and designs that resist sweat and debris buildup and allow me to perform quick cleaning without disassembly.

Budget Considerations

While I wanted quality and functionality, I also kept my budget in mind. Holsters vary widely in price depending on material, features, and brand. It was important for me to balance cost with the durability and performance I needed for everyday carry.

Final Thoughts

Choosing the right holster for my Sig P320 with a red dot required careful consideration of fit, material, retention, and comfort. By focusing on these factors, I found a holster that protects my firearm, provides quick access, and feels comfortable throughout the day. Taking the time to evaluate options ensures a satisfying and safe carrying experience.

Author Profile

Suzanne Powell

Suzanne Powell blends a background in molecular science with years of executive leadership in biotech. With a Ph.D. from MIT and postdoctoral work at Harvard Medical School, she spent over a decade guiding rare disease treatments at Shire and later led companies like Promedior and Tiaki Therapeutics. Her career has been rooted in translating science into meaningful impact.

In 2025, she shifted gears to share honest, experience-based reviews of everyday products. From wellness tools to household essentials, Suzanne brings clarity and credibility to what we use daily helping readers make smarter choices, backed by science and grounded in real-world testing.

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Feature	Benefit
Specific Fit for Sig P320 Series	Perfectly tailored to multiple P320 models ensuring secure and precise fit
Compatible with Streamlight TLR Tactical Flashlights	Allows use of popular tactical lights without needing additional holsters
Optic Cut for RMR and Aftermarket Red Dots	Supports modern sighting solutions for improved target acquisition
Trigger Guard & “POSI-CLICK” Design	Enhances safety by preventing accidental trigger engagement and provides audible lock confirmation
Adjustable Cant (0° to 30°) & Retention	Customizable carry angle and secure retention tailored to user preference
Waterproof & Sweatproof Full-Length Guard	Protects both user comfort and firearm durability in various conditions
Polished Edges & Smooth Interior	Prevents skin irritation and protects the pistol’s finish