Glock 21 Gen 4 Features
The Gen 4 series includes interchangeable backstraps, allowing users to customize the grip for enhanced comfort and control. The polymer frame with finger grooves ensures a secure hold, while the reversible magazine catch makes it ideal for both left- and right-handed shooters.
Equipped with Glock’s Safe Action System, this pistol features three independent automatic safeties, preventing accidental discharge while allowing for a consistent, smooth trigger pull. The white dot front sight and white outline rear sight provide a clear sight picture for quick target acquisition.
Glock 21 Gen 4 .45 ACP Specifications
- Caliber: .45 ACP
- Action: Striker-Fired (Safe Action)
- Barrel Length: 4.61″
- Overall Length: 8.07″
- Frame: Polymer with Finger Grooves
- Finish: Black Matte
- Sights: FT: White Dot, RR: White Outline
- Magazine Capacity: 13+1
- Magazines Included: 1
- Safety: Safe Action – 3 Automatic Safeties
- Weight: 26.28 oz (Unloaded)
| Barrel Length | 4.61 |
|---|---|
| Caliber | .45 ACP |
| Capacity | 13 |
| Condition | Used |
| Finish Per Color | Black |
| Manufacturer | Glock |
| Manufacturer Part Number | G21502-U |
| Model | 21 Gen 4 |
| Type | Semi Auto Handguns |
| UPC | GAG_GLOGUPG21502 |
Frequently Asked Questions About This Product
Why buy Glock 21 Gen 4 .45 ACP 4.61" Barrel 13-Rounds USED from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Glock 21 Gen 4 .45 ACP 4.61" Barrel 13-Rounds USED?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Glock 21 Gen 4 .45 ACP 4.61" Barrel 13-Rounds USED available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: HANDGUNS, Semi Auto Handguns.
What tags or features does this product have?
Key features and tags for this product include: HANDGUNS, Semi Auto Handguns.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
FFL Transfer & Firearms Laws for Glock 21 Gen 4 .45 ACP 4.61" Barrel 13-Rounds USED
All firearms, including the Glock 21 Gen 4 .45 ACP 4.61" Barrel 13-Rounds USED, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Glock 21 Gen 4 .45 ACP 4.61" Barrel 13-Rounds USED is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
