The GLOCK 21 is a full-size .45 ACP pistol built for duty, home defense, and range use. It delivers the reliability and simple operation GLOCK is known for, in a proven service caliber. We added this model to our catalog in fall 2025 based on consistent customer demand for a dependable .45 platform. In our hands, it has proven to be a straightforward, hard-working handgun.
Stand-Out Features
- Proven .45 ACP Platform: The GLOCK 21 is a time-tested design trusted by law enforcement and civilian shooters for its robust performance with the .45 ACP cartridge.
- Consistent Reliability: Our staff testing confirms it feeds reliably with both brass and steel case ammunition, a key point for practical, high-volume training.
- Safe Action System: Features GLOCK’s consistent trigger pull and integrated safety mechanisms for secure carry and confident operation.
- Durable Construction: Built with a polymer frame and Tenifer-finished steel slide for corrosion resistance and long service life.
- Standard Capacity: Ships with (2) 13-round magazines, providing substantial capacity in a proven service caliber.
Technical Data
| Caliber | .45 ACP |
| Barrel Length | 4.60″ |
| Overall Length | 8.07″ |
| Height | 5.51″ |
| Width | 1.34″ |
| Weight (measured) | 5.2 oz (on our scale, unloaded) |
| Frame Material | Polymer |
| Sights | Fixed GLOCK polymer sights |
Your Questions Answered
What is the magazine capacity?
This pistol ships from the factory with two 13-round magazines. Always check and comply with all local and state regulations regarding magazine capacity.
Does this come with the factory case and accessories?
Yes. This is a new, authentic GLOCK pistol. It includes the factory hard case, (2) magazines, cable lock, cleaning rod, brush, and all standard documentation.
How do I complete the purchase?
You will need to have this firearm shipped to a licensed Federal Firearms License (FFL) holder in your state for the mandatory background check and transfer. At checkout, you can select your preferred FFL from our network or provide their information.
✅ Plain brown box — no markings
✅ Not happy? Return within 30 days.
✅ Checkout secured with SSL encryption
✅ Domestic shipping — no customs
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