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Glock 21 Holster | IWB, OWB & Light-Compatible Carry Options | Mounts Plus


Glock 21 Holster | IWB, OWB & Light-Compatible Carry Options | Mounts Plus

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Glock 21 Holster – IWB, OWB & Tactical Carry Options

Whether you're carrying for personal defense, duty, or range training, your Glock 21 deserves a holster that offers a secure fit, quick draw, and daily comfort. At Mounts Plus, we offer a full selection of Glock 21 holsters—from minimalist concealed carry rigs to light-bearing duty holsters.

Choose from trusted brands like BlackPoint Tactical, Bianchi, Galco, Fobus, and Armordillo Concealment. Every holster on this page is made for the full-size Glock 21, available in both standard and light-compatible formats.


Glock 21 Holsters – Compare Your Carry Style

Holster Type Best For Popular Models
IWB – Inside Waistband Concealed carry, EDC BlackPoint Mini Wing, Galco KingTuk
OWB – Outside Waistband Duty, range, open carry BlackPoint Leather Wing, Fobus Paddle
Shoulder Holsters Deep concealment or comfort Bianchi X15, X16 Agent
Light-Compatible Tactical setups, defense Armordillo X-FER, BlackPoint w/ TLR
Ankle / Compact Backup or off-body carry Bulldog Pro, Uncle Mike’s Kydex

✅ Light-Bearing Glock 21 Holsters

Outfitting your Glock 21 with a weapon light like the Streamlight TLR-1, TLR-7, or Surefire X300? You’ll need a holster built to handle the additional length and width.

We stock premium light-ready holsters molded specifically for Glock 21 + light combos. Choose between:

  • IWB options for concealment with compact lights like the TLR-7A

  • OWB duty holsters for tactical setups with TLR-1 or Surefire

  • Adjustable retention to fine-tune fit around mounted accessories

⚠️ Light-compatible holsters fit Glock 21 Gen 3 & 4. Contact us for Gen 5 fitment.


🧠 How to Choose the Best Glock 21 Holster

Consider:

  • Carry position (IWB vs OWB vs shoulder)

  • Light or laser mounted?

  • Retention level – passive or active?

  • Materials – Kydex, leather, hybrid, nylon

  • Accessibility – high-ride, cant angle, adjustability


💬 Glock 21 Holster FAQs

Q: What is the best concealed carry holster for Glock 21?
A: The BlackPoint Mini Wing and Galco KingTuk IWB holsters are top choices for secure, comfortable daily carry.

Q: Can I use a Glock 21 holster for Gen 3 and Gen 4 models?
A: Yes! Most holsters on this page fit both Gen 3 and Gen 4 Glock 21 pistols. Contact us for Gen 5 compatibility.

Q: What if I have a TLR-1 or Surefire X300 light?
A: Choose one of our light-compatible holsters, such as the BlackPoint Tactical Leather Wing or the Armordillo Concealment X-FER.

Q: Do you carry shoulder holsters for Glock 21?
A: Yes, we stock the Bianchi X15 and X16 Agent shoulder holsters—excellent for comfort, concealment, and backup use.


🔗 Related Glock 21 Gear


🚀 Why Mounts Plus?

  • Factory-authorized dealer for top holster brands

  • 🧠 Expert Glock carry support

  • 📦 Fast, reliable U.S. shipping

  • Trusted by police, military, and CCW permit holders


🛒 Find Your Perfect Glock 21 Holster Today

No matter your carry preference or light setup, Mounts Plus has a Glock 21 holster that fits your lifestyle and firearm. Shop with confidence and upgrade your carry today.

👉 Browse our full Glock 21 holster selection now.