OWB Holster for Glock 21
· Compatible & Incompatible: Compatible with glock 21 gen 1 2 3 4, glock 21 sf; Incompatible with pPolymer80 glock 21 with picatinny rail.
· Excellent Design: Upgraded military polymer material enhances the smoothness and thickness of the product for a better appearance and stronger. Hidden buttons keep your flat surface smooth and its skidproof stripe helps you recognize it through your sense of touch. The internal screw design can reduce the risk of falling off.
· Widely Used: Suitable for different places like military, courser, shooting coach, law enforcement agencies or personal protection use. Great for civilians and off duty officers.
Holster Mounting Options
Paddle (standard) / Belt Loop / Belt Clip / MOLLE / Drop Leg Platform / Shoulder Harness (Single / Double)
How to select an holster carrying attachments?
- Paddle - Comfortable Daily Carry / Shooting Range / Walking or Standing for Long Time
- Belt Clip- Armed Civilians / Daily Carrying for Long Time
- Belt Loop - Law Enforcement On-duty / Police Belt System
- MOLLE Attachment - Police Forces & Military / MOLLE Vest / MOLLE Bag
- Drop Leg Platform - SWAT Team / Special Forces / Military
- Shoulder Harness - Driving or Sitting for Long Time / Colder climates when wearing a jacket / Women may find they are a better fit for their body shapes
Product Package
Why Cytac?
Cytac aims to provide tactical gear with superior quality & good price
We do our best to process & ship all orders as soon as possible. Most orders are processed within 48-72 hours. We process orders between Monday-Friday and do not ship on weekends.
We're proud to offer worldwide shipping for all orders.
Shipping Method | Cost | Delivery Time* |
Normal Shipping (order over 49.99) | Free | 7-15 Business Days |
Normal Shipping | $9.99 | 7-15 Business Days |
DHL Shipping | $45.90 | 5-7 Business Days |
*Please note:
These are estimated delivery times only, therefore Sparkly Trees is not guaranteeing delivery dates.
Tracking your order:
Our orders always include tracking information that is normally sent via email within 48 hours after the order has been shipped.
Trial & Warranty
- 30-Day Trial
- We hope you’ll love our new Cytac tactical gear and enjoy the 30-day risk-free trial. If you change your mind within the first 30 days after your receipt, we do want to say thank you for giving Cytac a try. And we keep things simple. Please just reach out and we are glad to arrange a return. To initiate a return, please check our return policy here.
- Special Conditions
- To protect our customers and ensure we handle every return with reasonable fairness, items are not accepted to return in certain situations:
- * Products damaged by misuse, abuse, improper care or negligence, or accidents.
- lifetime warranty
- You are guaranteed to have thelifetime warranty for all Cytac store tactical gear. Please click here to contact us if you have any questions about warranty, replacement or repair. In order to avoid unnecessary delays and costs, please don’t return any products without first contacting our support team.
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Top customer reviews
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Good for hunting 0 people found this helpfulI use it when I’m out in the woods with my Glock 21. Fits great on OEM slides. Used it up until I bought and aftermarket USA ROCK SLIDE. Was bummed out but not a manufacturer fault 10/10.
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It just fits right 0 people found this helpfulFinding a holster that rides at the right height on your belt where it doesn't interfere with your arm movements is hard. This one is just perfect for the large Glock 21. It holds the gun up about halfway above the belt, allows you to sit without binding up. I can wear this comfortably even while driving my truck. Wear it when chainsawing firewood in the woods and love it. Will be buying a second just to have as a spare.
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Slight rattle 0 people found this helpfulWish it had a screw to tighten the rattle it makes on my Glock. Other than that, 6/10 for the
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Great budget holster. 0 people found this helpfulI was unsure about the quality of this holster when I ordered it due to the low price, but decided to try it. Short answer is I'm pleased, but I'll detail things I'd consider if I were to look at buying it again. For perspective, I'll compare it to my Blackhawk level 2 serpa holster, which costs $50 to $60 more. This holster is definitely thinner, but doesn't feel poorly made. I'd say it's plenty strong for a casual carrier, but it might break if you fall on it with a significant amount of weight. It's not built to be low profile, but can still be well concealed with a low hanging and loose fitting jacket or vest. The Glock model I bought was advertised as being compatiple with multiple sized frames. I specifically bought it for my Glock 21. However, my gun is customised with raised iron sights to be compatible with a suppressor and there was not enough clearance for the front post, so if you have similar mods, you'll need to spend more money on a holster. I do have a Glock 17 and 19 and they both fit this holster nicely, so I'm going to keep it. Just keep in mind, the smaller your gun, the more play it will have in the holster. It does rattle a little, but the sound is not significant. The belt clip area fits very tightly to the belt. It stays in place very well. On the other hand, it's a small pain to put on and take off, especially if you are working around a belt loop. As for the retention switch, it's very easy and natural to use. Once again, I'll compare it to the Blackhawk which has the release trigger more recessed and out of the way. They are equally easy to use, but this one sticks out just a little more. There is going to be higher risk of it snagging on clothing than the Blackhawk and since it's not recessed, the release will be pushed anytime pressure is put on the outside of the holster. It's possible this could lead to the gun falling out if the trigger is pressed when you were running hard or falling, but seems unlikely in any other scenario. Overall, it seems like a great choice for casual carry, training, or if you don't usually carry, but want a holster without breaking the bank.
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Great budget holster. 0 people found this helpfulI was unsure about the quality of this holster when I ordered it due to the low price, but decided to try it. Short answer is I'm pleased, but I'll detail things I'd consider if I were to look at buying it again. For perspective, I'll compare it to my Blackhawk level 2 serpa holster, which costs $50 to $60 more. This holster is definitely thinner, but doesn't feel poorly made. I'd say it's plenty strong for a casual carrier, but it might break if you fall on it with a significant amount of weight. It's not built to be low profile, but can still be well concealed with a low hanging and loose fitting jacket or vest. The Glock model I bought was advertised as being compatiple with multiple sized frames. I specifically bought it for my Glock 21. However, my gun is customised with raised iron sights to be compatible with a suppressor and there was not enough clearance for the front post, so if you have similar mods, you'll need to spend more money on a holster. I do have a Glock 17 and 19 and they both fit this holster nicely, so I'm going to keep it. Just keep in mind, the smaller your gun, the more play it will have in the holster. It does rattle a little, but the sound is not significant. The belt clip area fits very tightly to the belt. It stays in place very well. On the other hand, it's a small pain to put on and take off, especially if you are working around a belt loop. As for the retention switch, it's very easy and natural to use. Once again, I'll compare it to the Blackhawk which has the release trigger more recessed and out of the way. They are equally easy to use, but this one sticks out just a little more. There is going to be higher risk of it snagging on clothing than the Blackhawk and since it's not recessed, the release will be pushed anytime pressure is put on the outside of the holster. It's possible this could lead to the gun falling out if the trigger is pressed when you were running hard or falling, but seems unlikely in any other scenario. Overall, it seems like a great choice for casual carry, training, or if you don't usually carry, but want a holster without breaking the bank.
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Nice option for at the range 0 people found this helpfulThe locking feature is not as automatic as I assumed. I find myself forcing the weapon into the holster to lock it.
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Does its job 0 people found this helpfulSo far so good. Fits my glock 21 gen 3 perfectly
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Great Holster 0 people found this helpfulWorks like a charm. Seems to be good quality
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Good option, consistent draw stoke. 0 people found this helpfulUsed to have a fobus but rentention was way to tight and made for a difficult draw. On the cytac, the button is the rentention. It's not friction based at all. The button holds the trigger guard. Rentention is robust. Vigorously shook the holster upside down and the pistol stayed in place. Paddle is well designed and secure. I like the straight up and down cant. Makes for an easy draw and easy on the shoulder. Beautiful draw stroke. Don't have to muscle it, just push the button and it comes right out. I love it!
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xcellent comfortable holster 0 people found this helpfulHas worked great for my Glock 21 gen 3 last 9 months. Very comfortable with the curved pad against my hip. The holster has solid retention, and I really like the push to release button to draw. Makes my firearm feel more secure and doesn’t slow down my draw at all. I have a red dot mounted in place of my rear iron sight and the gun still fits in the holster with no issues.
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Got for Glock 19 Airsoft gun. 0 people found this helpfulI found out the hard way that glock 19 airsoft replicas have a slightly wider slide than a real steel glock 19. IF you're buying this for airsoft and have a glock 19, YOU WILL NEED THIS GLOCK 21 HOLSTER!! As for function, it seems to work as intended. Hard durable material and the lock function works great
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Glock 21 Gen 3 0 people found this helpfulOut of the package the CY-G21G3-B fit my glock 21 Gen 3 perfectly. There is a retention you must push with your index finder to draw from this holster. I was concerned about all the reviews stating they had to use a heat gun /hair dryer to soften it. There is no need to use heat at all, just read the instructions with the holster. When you use the index finger to break the retention then slide out the Glock, your finger is already lined up on the slide rail. I would highly recommend the holster to a friend.
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Great quality and price. 0 people found this helpfulEasy in and out great lock.
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Great holster 0 people found this helpfulAt first I didn't think Serpa Holster was safe But I chose to try it because of the price. It did not disappoint me It's perfectly fit and it's perfectly secure and the security concerns that we're worried about don't happen It's the best it can be at this price