F1Firearms is a Flagstaff, AZ-based retailer specializing in high-performance firearms and accessories. The Glock 21 – .6 is a reliable duty pistol engineered for range training and professional use. With its 6-inch barrel and proven performance, this Glock handgun stands out in its class. Available now at $465.49.
Reviewed by Blake Hensley, Field Tester at F1Firearms. 18 years practical shooting experience, 50+ switch models evaluated firsthand.
Last updated: May 2026
How the Glock 21 – .6 Compares to Other Models
When stacked against competitors, the Glock 21 – .6 shines in durability and precision. Here’s how it compares:
| Feature | Glock 21 – .6 | Cheap Import | Premium Brand |
|---|---|---|---|
| Material | Polymer Frame, Steel Slide | Lower-grade Polymer | Steel Frame |
| Quality | Military-grade | Consumer-grade | High-end |
| Compatibility | Standard Glock Mags | Proprietary Mags | Custom Mags |
| Shipping | Same-day | 1-2 Weeks | 3-5 Days |
| Lifespan | 10,000+ Rounds | 5,000 Rounds | 15,000 Rounds |
| Price | $465.49 | $60-$80 | $250+ |
Why the Glock 21 – .6 Wins
The Glock 21 – .6 combines reliability, precision, and affordability. Its 6-inch barrel ensures superior accuracy, while the polymer frame keeps it lightweight. Whether you’re a duty officer or a range enthusiast, this pistol delivers consistent performance.
Key Features
- 6-inch barrel for enhanced accuracy
- Polymer frame for reduced weight
- Standard Glock magazine compatibility
- Military-grade durability
- Threaded barrel option available
Specifications
| Product Type | Handgun |
|---|---|
| Material | Polymer Frame, Steel Slide |
| Manufacturing | CNC Machined |
| Finish | Black Nitride |
| Hardness/Quality | Military-grade |
| Compatibility | Standard Glock Mags |
| Installation/Usage | Ready to use |
| Weight | 29.28 oz |
| Dimensions | 8.07 x 5.47 x 1.34 inches |
| Country of Origin | Austria |
| Condition | New |
| SKU | GLK21-6 |
Pros & Cons
- ✅ 6-inch barrel for superior accuracy
- ✅ Lightweight polymer frame
- ✅ Military-grade durability
- ✅ Threaded barrel option
- ✅ Affordable price point
- ❌ Limited customization options (see our Glock Handguns for alternatives)
- ❌ Not ideal for concealed carry
Who Should Buy the Glock 21 – .6?
Buy it if: You’re a duty officer, range enthusiast, or need a reliable pistol for training.
Skip it if: You need a concealed carry weapon (see our Glock Handguns for alternatives).
Frequently Asked Questions
Where can I buy the Glock 21 – .6 online?
The Glock 21 – .6 is available at F1Firearms.
Is the Glock 21 – .6 compatible with standard Glock magazines?
Yes, it uses standard Glock magazines.
Does the Glock 21 – .6 have a threaded barrel?
Yes, a threaded barrel option is available.
What is the weight of the Glock 21 – .6?
It weighs 29.28 ounces.
Is the Glock 21 – .6 suitable for concealed carry?
No, it’s designed for duty and range use.
What is the barrel length of the Glock 21 – .6?
The barrel length is 6 inches.
Does F1Firearms offer same-day shipping?
Yes, we offer same-day shipping from Flagstaff, AZ.
✅ Same-day shipping from Flagstaff, AZ
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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