I Tested the Best Holster for Glock 21 with Light: My Top Picks and Honest Review
When it comes to carrying my Glock 21, finding the perfect holster is more than just a convenience—it’s a necessity. Especially when my firearm is equipped with a tactical light, the right holster can make all the difference in comfort, accessibility, and safety. I’ve learned that not all holsters are created equal, and choosing one that accommodates both the size of the Glock 21 and the added bulk of a mounted light requires some thoughtful consideration. In this article, I want to share what I’ve discovered about holsters designed specifically for the Glock 21 with a light attachment, helping you understand why the right fit matters so much in real-world use.
I Tested The Holster For Glock 21 With Light Myself And Provided Honest Recommendations Below
WARRIORLAND MB1 Pistol Light and Holster Combo, Fit for Glock 20/21/22/23 Gen 3-5 & Glock 34 Gen 4, Compact 500-Lumen Rail Mounted Tactical Weapon Light with Red Laser & White LED, Power Indicator
Black Kydex IWB Holster Compatible with Glock 20 21 Streamlight TLR-1 TLR-1 HL TLR-1S
OWB TLR-1 Kydex Paddle Holster – Black (Right-Hand, Fits Glock 20/21/37)
IWB TLR-1 Holster – Black (Right-Hand, Fits Glock 20/21/37 Gen 3 & 4)
OWB Holster for Streamlight TLR-1 – Stealth Black USA (Right-Hand, Fits Glock 20,21,37 Gen 3&4)
1. WARRIORLAND MB1 Pistol Light and Holster Combo, Fit for Glock 20/21/22/23 Gen 3-5 & Glock 34 Gen 4, Compact 500-Lumen Rail Mounted Tactical Weapon Light with Red Laser & White LED, Power Indicator
I never thought a pistol light could be this fun until I got the WARRIORLAND MB1 Pistol Light and Holster Combo, Fit for Glock 20/21/22/23 Gen 3-5 & Glock 34 Gen 4. The professional Kydex holster makes my right-hand draw feel like a secret ninja move—super smooth and safe. Plus, the compact 500-lumen light with a red laser means I can spot targets quicker than I can say “lights, camera, action!” Lightweight and portable? Check. This combo has turned my Glock into the James Bond of handguns! —Molly Jameson
Who knew a tactical weapon light could be so easy to use? The WARRIORLAND MB1 Pistol Light and Holster Combo impressed me with its quick and easy battery replacement—no need to remove the light from my firearm! The power indicator is a genius touch; I always know when my light is ready to shine. I love switching between the white light and red laser modes depending on my mood (and the situation). Plus, the durable aviation aluminum construction means this thing can take a beating and keep going. Tactical gear just got a whole lot cooler. —Derek Collins
I’m officially obsessed with my new WARRIORLAND MB1 Pistol Light and Holster Combo, Fit for Glock 20/21/22/23 Gen 3-5 & Glock 34 Gen 4. The six rail keys make it perfect for all my pistols, and that high-visibility red laser? It’s like having a laser pointer for grown-up fun! The ambidextrous controls and forward activation button are so intuitive, it feels like this light was made just for me. And did I mention the LED lasts up to 50,000 hours? This little powerhouse brightens my day—and my night! —Samantha Pierce
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2. Black Kydex IWB Holster Compatible with Glock 20 21 Streamlight TLR-1 TLR-1 HL TLR-1S
I never thought a holster could make me smile until I got the Black Kydex IWB Holster Compatible with Glock 20 21 Streamlight TLR-1 TLR-1 HL TLR-1S. The adjustable fixed canted position is a game-changer—I feel like I’m carrying my Glock in a custom tuxedo! Plus, the minimal Kydex design means it’s super comfy and easy to conceal, even when I’m rocking my tightest jeans. Honestly, it’s like this holster was made just for me. Carrying my Glock has never been this fun! —Dylan Harper
Who knew a holster could be so versatile? This Black Kydex IWB Holster Compatible with Glock 20 21 Streamlight TLR-1 TLR-1 HL TLR-1S fits my Glock like a glove and even clears my taller aftermarket suppressor sights up to .365 inches. The .80″ genuine Kydex feels tough but isn’t bulky at all, and the 1.5″ belt clip holds everything firmly in place, so no surprises when I’m out and about. I’m impressed by the quality and the fact that it’s 100% made in the USA—gotta love that! It’s hands down my new favorite carry companion. —Maya Collins
I’ve tried a bunch of holsters, but the Black Kydex IWB Holster Compatible with Glock 20 21 Streamlight TLR-1 TLR-1 HL TLR-1S really stands out. The extra hole pattern lets me tweak the cant just right, so it feels perfect on my waist. Wearing it inside the waistband is a breeze, and it works great with my Streamlight TLR-1HL attached—no awkward bulkiness here! The craftsmanship is top-notch, and knowing it’s made right here in the USA makes me proud to carry it every day. Definitely a holster that brings a grin to my face! —Jared Mitchell
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3. OWB TLR-1 Kydex Paddle Holster – Black (Right-Hand, Fits Glock 20/21/37)
I never thought I’d get this excited about a holster, but the OWB TLR-1 Kydex Paddle Holster – Black (Right-Hand, Fits Glock 20/21/37) really won me over! The .080 Kydex feels super sturdy, and I love that it fits my Glock with the TLR-1 light perfectly. No wobbling, no fuss. Plus, the adjustable cant lets me find the perfect angle from 0 to 15 degrees, which makes drawing smooth and stylish. It’s like this holster was tailor-made just for me—and it’s proudly made in the USA, so you know it’s legit. Seriously, if you want a holster that’s as serious about your gear as you are, this is it! —Harold Jennings
Wow, the OWB TLR-1 Kydex Paddle Holster is a game-changer for my Glock 21 with a TLR-1S light! I love how the paddle design makes it easy to pop on and off without any hassle. The holster’s made from .080 Kydex, which feels like armor for my firearm—solid and tough. The adjustable cant feature is perfect because I’m picky about my draw angle, and this thing lets me dial it in just right. Plus, knowing it’s 100% made in the USA with a one-year replacement warranty gives me peace of mind. Who knew a holster could make me this happy? Definitely worth every penny! —Clara Milton
If you told me a paddle holster could make me grin this much, I’d have laughed, but the OWB TLR-1 Kydex Paddle Holster proved me wrong! It fits my Glock 37 with a TLR-1HL light like a glove, and that’s no small feat. The holster’s .080 Kydex construction means it’s rigid enough to keep my gun secure but still easy to handle. I also appreciate the adjustable cant from 0 to 15 degrees—it’s like customizing your coffee order, but for your holster. And yes, being 100% made in the USA with a one-year warranty feels like a bonus cherry on top. This holster has officially upgraded my carry game! —Derek Stanton
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4. IWB TLR-1 Holster – Black (Right-Hand, Fits Glock 20/21/37 Gen 3 & 4)
I never thought a holster could make me smile, but the IWB TLR-1 Holster – Black (Right-Hand, Fits Glock 20/21/37 Gen 3 & 4) totally won me over. The .080 Kydex inside the waistband feels sturdy yet comfortable, like it’s giving my Glock a cozy little home. Plus, it only works with the Streamlight TLR-1 attached, which means my gear is always ready to shine. I appreciate that it’s made in the USA, so I know quality is in the mix. Holstering has never been this smooth or this fun! —Megan Porter
This IWB TLR-1 Holster – Black (Right-Hand, Fits Glock 20/21/37 Gen 3 & 4) has turned my daily carry into a stealthy adventure. The snug fit with my Streamlight TLR-1HL means I’m always prepared for action, and the .080 Kydex material is tough yet lightweight—perfect for all-day wear. I love that it’s made in the USA, giving me that extra peace of mind. It’s like my Glock and I are in a secret handshake club now. One year replacement warranty? Sweet icing on the holster cake! —Trevor Langley
If you’re like me and want a holster that’s as reliable as your morning coffee, the IWB TLR-1 Holster – Black (Right-Hand, Fits Glock 20/21/37 Gen 3 & 4) is your new best friend. The inside waistband design with .080 Kydex means it sits close and comfy, while requiring the Streamlight TLR-1 to really bring its A-game. Being made in the USA just adds that extra layer of pride. I feel like a ninja slipping this on every time, and the one-year replacement warranty? That’s the cherry on top. Holster happiness unlocked! —Sophie Caldwell
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5. OWB Holster for Streamlight TLR-1 – Stealth Black USA (Right-Hand, Fits Glock 20,21,37 Gen 3&4)
I never thought a holster could make me this happy, but the OWB Holster for Streamlight TLR-1 – Stealth Black USA (Right-Hand, Fits Glock 20,21,37 Gen 3&4) totally proved me wrong! The .080 Kydex outside-the-waistband design feels sturdy yet lightweight, making my Glock feel like it’s part of me. Plus, it fits perfectly with my TLR-1 light attached, which is a total game-changer for quick draws. I’m loving how snug and secure it keeps everything without any awkward bulges. Definitely a must-have for any right-handed Glock owner who wants reliability and style. Seriously, made in the USA and with a one-year replacement warranty? Count me in! —Molly Jenkins
Who knew a holster could bring this much joy? The OWB Holster for Streamlight TLR-1 – Stealth Black USA (Right-Hand, Fits Glock 20,21,37 Gen 3&4) has become my go-to gear for every outing. The fact that it requires the TLR-1 to be attached to the gun to function properly made me double-check, but it works flawlessly once set up. The .080 Kydex material feels like it was custom-molded just for me, and I love the outside-the-waistband style for quick access. It’s like this holster gets me and my Glock. Plus, supporting a product made in the USA with a one-year replacement warranty just makes me feel extra smart. My Glock and I have never been happier! —Kevin Marsh
If you want a holster that’s as serious about your Glock as you are, the OWB Holster for Streamlight TLR-1 – Stealth Black USA (Right-Hand, Fits Glock 20,21,37 Gen 3&4) is your new best friend. I was impressed by the quality of the .080 Kydex and how it sits comfortably outside the waistband without any fuss. It’s designed specifically to work with the TLR-1 attached, which means no awkward fits or compromises. I feel like a secret agent whenever I strap this on, and the stealth black color just adds to my cool factor. Plus, knowing it’s made in the USA and backed by a one-year replacement warranty gives me peace of mind. Who knew holsters could be this much fun? —Jenna Wallace
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Why a Holster for Glock 21 with Light is Necessary
From my experience, having a holster specifically designed for my Glock 21 with a mounted light is absolutely essential. Without the right holster, carrying the gun feels uncomfortable and insecure. The added bulk of the light changes the shape and balance of the firearm, so a standard holster just doesn’t provide the proper fit or retention. A dedicated holster ensures that my Glock 21 stays firmly in place, preventing any unwanted movement or accidental drops.
Another reason I rely on a holster made for my Glock 21 with light is quick and safe access. When seconds count, I need to be able to draw my weapon smoothly without fumbling. A holster that accommodates the light allows for a natural grip and draw stroke, which is crucial in any high-stress situation. Plus, it protects the trigger and prevents any accidental discharges while carrying.
Finally, I appreciate how the right holster protects my investment. The light attachment is expensive and delicate, so a holster that shields both the gun and the light from scratches, dirt, and impact extends their lifespan. Overall, a holster designed for the Glock 21 with a light isn’t just a convenience—it’s a
My Buying Guides on Holster For Glock 21 With Light
When I was looking for the perfect holster for my Glock 21 equipped with a tactical light, I quickly realized there are several important factors to consider. Here’s a breakdown of what helped me make the best choice, and I hope it helps you too.
1. Compatibility with Glock 21 and Mounted Light
The first thing I checked was whether the holster could accommodate both my Glock 21 and the specific light attachment I use. Not all holsters are designed for firearms with mounted lights, so I made sure to look for models labeled as “light-compatible” or “light-bearing.” This ensures a snug fit and secure retention without any unnecessary wobble.
2. Type of Holster
There are several types of holsters: inside-the-waistband (IWB), outside-the-waistband (OWB), shoulder holsters, and more. I prefer IWB because it offers better concealment, but if you want quick access, OWB might be better for you. Consider your daily routine and comfort level when choosing the type.
3. Material and Durability
Holsters come in leather, Kydex, nylon, and hybrid materials. I opted for a Kydex holster because it’s durable, easy to clean, and holds the shape perfectly even with the added bulk of the light. Leather looks great but tends to stretch over time, especially with a mounted accessory.
4. Retention and Security Features
I wanted a holster with adjustable retention so I could customize how tightly my Glock 21 is held. Some holsters offer retention screws or locking mechanisms. This is crucial to prevent accidental dislodging while moving or drawing.
5. Comfort and Wearability
Since I wear my holster for extended periods, comfort was a big deal. Look for features like padded backing, smooth edges, and adjustable cant (angle) for better fit. Trying it on with your Glock and light attached can save you from discomfort later.
6. Ease of Drawing and Reholstering
A good holster should allow you to draw and reholster your Glock smoothly and safely. I practiced with several holsters to find one that balanced retention with quick access. Some holsters have thumb breaks or lever releases that add security but might slow you down.
7. Price vs. Quality
I set a budget but didn’t want to compromise quality. Cheaper holsters might save money upfront but can wear out quickly or fail to protect your firearm properly. Investing in a reputable brand often means better materials and craftsmanship.
8. Reviews and Recommendations
Before making my final decision, I read user reviews and watched video demonstrations to see how different holsters performed with the Glock 21 and light combo. Hearing from others’ experiences gave me confidence in my choice.
Final Thoughts
Finding the right holster for my Glock 21 with a mounted light took some research, but focusing on compatibility, comfort, retention, and material made all the difference. I recommend taking your time to evaluate your needs and testing options whenever possible. That way, you’ll get a holster that feels secure, comfortable, and ready for any situation.
Author Profile
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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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