My Top Picks for Glock 21 Gen 4 Holsters: A Personal Journey to the Perfect Fit

As a firearm enthusiast and someone who appreciates the intricacies of gun ownership, I often find myself pondering the importance of a reliable holster, particularly for my Glock 21 Gen 4. This iconic handgun, known for its powerful .45 ACP caliber and exceptional reliability, deserves a holster that complements its performance while ensuring my safety and comfort. In this article, I want to explore the world of Glock 21 Gen 4 holsters—where practicality meets personal preference. Whether you’re a seasoned shooter or new to the Glock family, understanding the various holster options available can significantly enhance your shooting experience. Join me as we dive into the essential features, styles, and considerations that can help you find the perfect fit for your Glock 21 Gen 4, ensuring that it’s always at the ready when you need it most.

I Personally Evaluated The Glock 21 Gen 4 Holster And Share My Honest Recommendations Below

1. POLE.CRAFT Holster for Glock 20 21 22, IWB Kydex Holster Fits: Glock 21 / Glock 20 Gen 3 4 5 & Glock 22 Gen 5 – Inside Waistband for G20 G21 G22 (Black, Right Hand Draw)

When I first came across the POLE.CRAFT Holster for Glock 20, 21, and 22, I was immediately intrigued by its design and functionality. As someone who values both comfort and security when carrying a firearm, I found this inside-the-waistband (IWB) Kydex holster to be an excellent choice for anyone who owns these Glock models. The fact that it fits Glock 21, Glock 20 (Gen 3, 4, 5), and Glock 22 (Gen 5) makes it versatile and suitable for a wide range of users. This is a significant advantage for those who own multiple Glocks and want a single holster solution.

One of the standout features of the POLE.CRAFT holster is its construction from high-quality Kydex material. Kydex is known for its durability and lightweight properties, which means I can carry my firearm comfortably without adding unnecessary weight. Additionally, the rigid structure of Kydex ensures that my weapon stays secure and easily accessible, which is crucial in any self-defense situation. The black color adds a sleek and professional look, making it suitable for both casual and formal occasions.

Another aspect that I appreciate is the right-hand draw design. For right-handed users like me, this feature allows for a smooth and intuitive draw when needed. I’ve often struggled with holsters that aren’t designed for my dominant hand, leading to frustrating and potentially unsafe situations. The POLE.CRAFT holster eliminates this concern, enabling a fast and reliable access to my firearm. This aspect is particularly important for those who prioritize self-defense and need to react quickly.

The inside waistband design offers a discreet carry option that I find incredibly beneficial. It allows me to conceal my firearm easily under my clothing, making it less noticeable to others. This is an essential feature for individuals who want to maintain a low profile while still being prepared. I can wear this holster with various clothing styles without worrying about printing or drawing unnecessary attention. In today’s world, where personal safety is paramount, having a concealed carry option is invaluable.

In terms of usability, the holster is designed for comfort during extended wear. The smooth edges prevent chafing, and the adjustable retention allows me to customize the holster’s fit to my liking. This means that whether I am out running errands or spending a day at the range, I can rely on the POLE.CRAFT holster to perform without causing discomfort. This level of thoughtfulness in design makes it a practical choice for everyday carry.

To summarize the key features and benefits of the POLE.CRAFT Holster for Glock 20, 21, and 22, I’ve put together a table for a quick reference

Feature	Benefit
High-quality Kydex material	Durable and lightweight for comfortable carrying
Fits multiple Glock models	Versatile option for owners of Glock 20, 21, and 22
Right-hand draw design	Allows for quick and intuitive access to the firearm
Inside waistband carry	Discreet and comfortable for everyday use
Adjustable retention	Customizable fit for user preference

After considering all these features and their benefits, I genuinely believe the POLE.CRAFT holster is a smart investment for anyone who owns a Glock 20, 21, or 22. It combines comfort, security, and functionality in a way that few other holsters do. If you value your safety and the ease of carrying your firearm, I highly recommend giving this holster a try. You won’t be disappointed with the peace of mind it offers!

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2. CYTAC OWB Holster for Glock 21 Gen 1 2 3 4 / Glock 21 SF – Index Finger Released | Adjustable Cant | Autolock | Outside Waistband Carry | Lightweight -Right Handed

As a firearm enthusiast, I always prioritize safety, comfort, and functionality when it comes to choosing a holster. The CYTAC OWB Holster for Glock 21 is a standout option that I have come to appreciate for several reasons. This holster is designed specifically for the Glock 21, including Gen 1, 2, 3, 4, and the Glock 21 SF, which means it offers a perfect fit for my firearm. The attention to detail in the design ensures that my gun is secure while still being easily accessible when needed.

One of the most notable features of the CYTAC OWB Holster is its index finger release mechanism. This feature allows for a quick and intuitive draw, which is essential in high-pressure situations. I find that it provides a sense of security knowing that I can swiftly access my firearm while still maintaining safe handling practices. The adjustable cant is another feature that I appreciate, as it allows me to customize the angle of the holster to fit my draw style and comfort level. This adaptability is particularly beneficial when I’m wearing different types of clothing or engaging in various activities.

Lightweight construction is another major advantage of this holster. Unlike some heavy-duty options on the market, the CYTAC OWB Holster doesn’t weigh me down. I can wear it for extended periods without feeling fatigued or uncomfortable. This is particularly important for those of us who prefer outside waistband carry, as comfort can significantly impact our willingness to carry regularly. Moreover, the autolock feature adds an extra layer of security, ensuring that my firearm is securely held in place until I need it. This peace of mind is invaluable for me and anyone else who carries a firearm regularly.

When I think about my personal experience with the CYTAC OWB Holster, I can genuinely say that it enhances my daily carry routine. It has the right balance of comfort, accessibility, and security, making it an ideal choice for anyone looking to carry a Glock 21. Whether I’m running errands, heading to the range, or simply going about my day, this holster remains a reliable companion. For those who value both practicality and safety in their carrying solutions, I wholeheartedly recommend considering this holster.

In summary, the CYTAC OWB Holster for Glock 21 is a well-crafted, user-friendly holster that meets the demands of responsible firearm owners. Its thoughtful features such as the index finger release, adjustable cant, lightweight design, and autolock mechanism make it a top choice in its category. If you’re serious about your firearm safety and comfort, I encourage you to give this holster a try. Investing in a reliable holster can make all the difference in your daily carry experience.

Feature	Description
Compatibility	Fits Glock 21 Gen 1, 2, 3, 4, and Glock 21 SF
Release Mechanism	Index finger release for quick access
Cant Adjustment	Customizable angle for personalized comfort
Weight	Lightweight construction for extended wear
Security Feature	Autolock mechanism for firearm safety

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3. Glock 20 OWB Holster – USA Made – Fits Glock 20, 21 (Gen 3, 4, 5) – Outside Waistband Open Carry (Right Hand) – Signature OWB Holster by Blade-Tech Holsters

I am excited to share my thoughts on the Glock 20 OWB Holster by Blade-Tech, a product that stands out in the crowded holster market. As a gun owner, I understand the importance of a reliable holster that not only fits my firearm perfectly but also provides comfort and security during everyday use. This USA-made holster is specifically designed for Glock 20 and 21 models (Gen 3, 4, and 5), making it an excellent choice for anyone who owns these firearms. The craftsmanship that goes into this holster reflects a commitment to quality, and I believe it is worth every penny.

One of the standout features of the Blade-Tech Glock 20 OWB Holster is its construction from high-strength, heat-resistant polymer. This material is not only durable but also offers a superior fit compared to traditional Kydex holsters. I can carry my Glock 20 or 21 with confidence, knowing that the holster is designed to hold my firearm securely and comfortably. The fact that it is made in the USA adds an extra layer of trust for me, as I appreciate supporting local craftsmanship.

The compatibility of this holster is another feature that truly impresses me. With a versatile mounting pattern, it allows for a wide variety of attachments, enhancing its adaptability for everyday carry. The included Tek-Lok belt attachment is designed to fit belts ranging from 1.5” to 2.25”, ensuring that I can find the perfect fit for my needs. This flexibility makes it an ideal option for anyone looking to carry their Glock comfortably outside the waistband, allowing for easy access without compromising security.

One of my favorite aspects of the Blade-Tech holster is the positive lock trigger guard and adjustable retention feature. This design not only provides me with peace of mind but also allows me to customize the fit of the holster to my liking. With adjustable retention screws, I can easily tighten or loosen the holster around my firearm, ensuring that it remains secure while still being easy to draw when needed. The tactile feedback from the positive lock trigger guard reassures me that my firearm is safely stored away.

For those of us who utilize optics on our firearms, the Glock 20 OWB Holster shines even brighter. It is compatible with most optics platforms straight out of the box, including RMR and red dot sights, which is a significant advantage. This feature is particularly appealing to me as I often use my Glock for both recreational shooting and self-defense scenarios, and having a holster that accommodates optics makes my setup more versatile.

Lastly, the lifetime warranty offered by Blade-Tech is a testament to their confidence in their product. With a Carry Confident Lifetime Guarantee, I feel reassured that I am investing in a holster that will stand the test of time. The promise of 100% satisfaction and the assurance that each item is backed against failure or damage in its intended use is something I greatly appreciate. It allows me to carry my Glock with confidence, knowing that I have made a sound purchase.

the Glock 20 OWB Holster by Blade-Tech is a top-notch choice for anyone looking for a reliable, comfortable, and secure holster for their Glock 20 or 21. Its USA-made quality, compatibility with various attachments, adjustable retention, and optics compatibility make it a standout product. If you’re in the market for a holster that you can trust, I highly recommend considering this one. Investing in a quality holster is investing in your safety and comfort as a gun owner. Don’t miss out on the opportunity to enhance your carrying experience!

Feature	Description
USA Made	High strength, heat resistant polymer for superior fit and comfort.
Compatibility	Versatile mounting pattern compatible with various attachments.
Retention	Adjustable retention screws for a customizable fit.
Trigger Guard	Positive lock trigger guard for secure firearm storage.
Optics Compatibility	Compatible with most optics platforms, enhancing versatility.
Lifetime Warranty	Carry Confident Lifetime Guarantee against failure or damage.

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4. WARRIORLAND OWB Kydex Holster Optics Cut: Fit for G21 / G20 (Gen 3 4 5) & G22 Gen 5, Outside Waistband Open Carry Holster with 1.75 Inch Paddle, Adj. Retention

As I delve into the details of the WARRIORLAND OWB Kydex Holster with an optics cut, I can’t help but feel impressed by the thoughtfulness behind its design. This holster is tailored specifically for popular Glock models, including the G21, G20 (Gen 3, 4, 5), and G22 Gen 5, which makes it an excellent choice for firearm enthusiasts who own these models. Having a holster that fits your firearm perfectly is crucial for both safety and accessibility, and the WARRIORLAND holster seems to check that box effortlessly.

One of the standout features of this holster is its outside waistband (OWB) design, which is perfect for open carry. I appreciate how this style allows for quick access to my firearm while still providing a comfortable wearing experience. The 1.75-inch paddle is designed for easy attachment and removal, which is an essential factor for anyone who might need to take their holster on and off frequently. This feature makes it an attractive option for both daily carry and range use.

Moreover, the adjustable retention system is a game changer. It allows me to customize the retention level according to my preference, ensuring that my firearm is secure but still easy to draw when needed. This adaptability is particularly beneficial for someone like me who values both security and efficiency in a holster. I can easily adjust the retention based on my activities for the day, whether I’m heading to the range or running errands.

The optics cut is another impressive aspect of this holster. It accommodates firearms with optics, which is increasingly important in today’s market as more shooters are opting for red dot sights. This feature not only enhances accessibility but also shows that WARRIORLAND is in tune with modern shooting trends. It’s reassuring to know that I can utilize my optic without compromising on the security and functionality of my holster.

In terms of materials, Kydex is known for its durability and resistance to wear and tear. This is particularly important for a holster that will be subjected to daily use. I feel confident that the WARRIORLAND holster will withstand the rigors of everyday life while providing reliable performance. The lightweight nature of Kydex also means that I won’t be weighed down, making it a practical choice for extended wear.

For anyone considering the purchase of a holster for their Glock, I highly recommend giving the WARRIORLAND OWB Kydex Holster a serious look. It combines comfort, security, and modern features in a way that few other holsters do. If you’re looking to enhance your open carry experience with a reliable holster, this could very well be the investment that elevates your firearm handling. With all these features, it’s hard to overlook the value this holster offers.

Feature	Benefits
Fits G21 / G20 (Gen 3, 4, 5) & G22 Gen 5	Custom fit for popular Glock models for safety and accessibility.
OWB Design	Allows for quick access while providing comfort for open carry.
1.75 Inch Paddle	Easy attachment and removal for convenience.
Adjustable Retention	Customize the security level of the firearm according to personal preference.
Optics Cut	Accommodates firearms with optics for modern shooting needs.
Kydex Material	Durable, lightweight, and resistant to wear and tear for daily use.

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Why a Glock 21 Gen 4 Holster is Essential for Me

As a responsible gun owner, I’ve come to realize that having the right holster for my Glock 21 Gen 4 is crucial for both safety and convenience. One of the primary reasons I value my holster is the added security it provides. By ensuring that my firearm is securely stored and easily accessible, I can carry my Glock with confidence, knowing that it won’t accidentally discharge or be accessed by unauthorized individuals. This peace of mind is invaluable, especially when I’m out and about.

Another significant benefit I’ve experienced is comfort. A well-fitted holster allows me to carry my Glock 21 Gen 4 without discomfort, whether I’m running errands or spending a day at the range. The adjustable features and variety of carry positions mean I can find the perfect fit for my body type and clothing style. This makes it easier for me to carry my firearm regularly, ensuring that I’m prepared for any situation while still feeling comfortable.

Lastly, the versatility of holsters available for the Glock 21 Gen 4 has enhanced my overall experience as a gun owner. From inside-the-waistband (IWB) to outside-the-waistband (OWB)

Buying Guide for Glock 21 Gen 4 Holster

Understanding My Needs

When I first decided to purchase a holster for my Glock 21 Gen 4, I realized that understanding my personal needs was crucial. I considered how I would primarily use the holster—whether for everyday carry, range use, or tactical applications. This influenced my choice significantly.

Types of Holsters

I discovered that holsters come in various types, each serving different purposes. I looked into outside-the-waistband (OWB) holsters, which provide easy access but can be bulkier. Inside-the-waistband (IWB) holsters, on the other hand, offer better concealment, which was essential for my daily carry. I also explored shoulder holsters and ankle holsters for specific situations.

Material Considerations

The material of the holster was another important factor for me. I found options in leather, Kydex, and nylon. Leather offers a classic look and comfort, while Kydex provides excellent retention and durability. Nylon can be lightweight and economical, which appealed to my budget-conscious side.

Retention and Security

I wanted to ensure that my Glock 21 Gen 4 was secure in the holster. I researched retention systems, such as passive retention and active retention mechanisms. Passive retention relies on the holster’s fit, while active retention features additional straps or mechanisms for added security. I determined that a good balance between accessibility and security was essential.

Comfort and Fit

Comfort was a priority for me, especially since I planned to wear the holster for extended periods. I tried on various holsters to see how they felt against my body. I also considered the fit for my Glock 21 Gen 4, ensuring that the holster was specifically designed for my firearm to avoid any issues.

Adjustability and Customization

I appreciated options that offered adjustability. Some holsters have adjustable cant and ride height, allowing me to find the perfect angle for drawing my firearm. Customization options like interchangeable clips and additional attachments also caught my attention, as they provided flexibility for different carry styles.

Price Range

Setting a budget was necessary for me. I found that holsters can vary widely in price based on brand, material, and features. I decided to balance quality with affordability, ensuring I didn’t compromise on safety or comfort while staying within my budget.

Reviews and Recommendations

Before making a decision, I dove into reviews and user experiences. I found it helpful to hear from other Glock 21 Gen 4 owners about their holster choices. Their insights provided me with a clearer picture of what worked well and what to avoid.

Choosing the right holster for my Glock 21 Gen 4 was a thoughtful process that required considering my personal needs, preferences, and budget. By exploring different types, materials, and features, I was able to find a holster that suited my lifestyle perfectly. My journey taught me the importance of finding the right balance between comfort, security, and accessibility.

Author Profile

Leighton Sanders

Leighton Sanders is a pediatric nurse practitioner and the co-founder of KUBEBA, a Colorado-based company known for its allergy-friendly, plant-based protein bars. Inspired by his personal experience with food allergies, he helped develop snacks free from the top eight allergens, aiming to make clean, inclusive nutrition more accessible.

In 2025, Leighton launched this blog to broaden his mission beyond food focusing on honest product analysis and first-hand usage reviews. Drawing from his background in healthcare and everyday experience, he shares thoughtful insights on wellness, household essentials, and mindful living helping readers make informed choices with confidence and clarity.

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